Add a future frame to an action
The imperfect indicative, the ordinary present tense form such as أكتب “I write,” can describe a present activity, a routine, or a future event when context makes the time clear. Adding سَ or سَوْفَ explicitly places an action in the future. Compare “I write Arabic every day” with “I will write tomorrow.” The activity can remain the same while its time frame changes. A future expression therefore does more than name a verb: it tells the listener how to locate the proposed event.
Use this construction for a plan, a prediction, or a promise in the appropriate conversation. Those speech acts differ even when their grammar looks alike. “I will help” can be a spontaneous offer; “the train will arrive” can be a prediction based on a schedule. The future marker itself does not tell the listener what evidence supports the statement.
The examples teach Modern Standard Arabic. Spoken regional varieties often use different future markers. Do not combine a dialect future prefix with سَ simply because both can correspond to English will.
أكتب العربية كل يوم.
I write Arabic every day.
سأكتب رسالة غدًا.
I will write a message tomorrow.
Keep the person prefix inside the future form
The attached marker سَ precedes the complete imperfect verb. It does not replace the person prefix. Thus أكتب becomes سأكتب for “I will write,” while نكتب becomes سنكتب for “we will write.” For he, يكتب becomes سيكتب; for she, تكتب becomes ستكتب. Retaining the person information is essential even when a separate pronoun is present.
First person forms do not distinguish a male from a female speaker. Both can say saʾaktubu. Some third and second person forms share shapes, so context still matters. ستكتب can mean “she will write” or “you will write” when addressing a man. A pronoun or the surrounding exchange clarifies the intended subject.
When analyzing the form, identify the future marker first and then read the remaining verb as a person marked unit. Do not treat every initial letter as part of the root, the consonants that carry the word’s basic meaning. This layered reading helps with longer words containing both future marking and an object suffix.
سأدرس اليوم.
I will study today.
سندرس غدًا.
We will study tomorrow.
Keep the person layer
Turn “we study” into “we will study.”
- Start with ندرس.
- Attach سَ before the complete verb.
- Keep نـ, the prefix for “we.”
سندرس
References for this explanation
Preserve the longer indicative endings
The feminine singular listener form of “write” is تكتبين in the indicative. Adding سَ gives ستكتبين, “you will write,” addressed to a woman. A masculine or mixed plural subject can use سيكتبون, “they will write.” سَ and سَوْفَ do not by themselves remove the final nun of these indicative forms. The future construction retains the ordinary indicative agreement pattern.
This matters because other particles select different moods, that is, different sets of verb endings. A learner who has seen a shortened form after لن may incorrectly shorten every future verb. Time and mood are related through specific constructions, not through a universal rule that all future reference has one ending. Check which particle actually precedes the verb.
The practice supplies the listener or group explicitly. In your own writing, keep the intended people stable while changing only the time frame. Starting from “you write” and adding future reference should not accidentally change a female listener into a male listener or a group into one person.
أنتِ ستكتبين الرسالة.
You will write the message, addressed to one woman.
هم سيكتبون غدًا.
They will write tomorrow, referring to a masculine or mixed group.
Use سَوْفَ as a separate word
سَوْفَ is written separately before the indicative verb: سَوْفَ أكتب. سَ attaches to the verb: سأكتب. Both are standard ways to express future reference. Some descriptions associate سَ with a nearer future and سَوْفَ with a more distant one, but actual use does not support a rigid clock based division. Do not label a سَوْفَ sentence wrong merely because the event is tomorrow.
The choice can interact with discourse, rhythm, and emphasis. Beginning learners can use either taught construction when the exercise does not specify one. A task that asks you to rewrite سَ with سَوْفَ is a spelling and construction task, not a demand to move the event further away in time.
Keep the time expression if it supplies useful information. Replacing سَ with سَوْفَ does not turn tomorrow into next year. Likewise, an explicit date can accompany either marker. The listener needs the schedule stated in the sentence or established by the conversation, not an imagined distance encoded in the marker alone.
سوف أدرس غدًا.
I will study tomorrow.
سأدرس غدًا.
I will study tomorrow, using the attached marker.
Ask about the plan and preserve noun phrases
A yes or no question can add هل to the future statement. To ask when, use متى; to ask where, use أين. The question word identifies the missing information. It does not require English style reversal of a subject and a separate future auxiliary. The person marked Arabic verb remains intact.
A place or object phrase retains its normal structure. In “we will study in the room,” the preposition still governs the room phrase. In “I will write a message,” the message is still an object. A change in time does not erase definiteness, adjective agreement, or case, the ending that shows each noun’s role, inside those phrases.
A question about another person’s plan is not necessarily a request or command. Tone and context may create a request, but the grammar alone does not give the speaker authority over the listener. In the examples, the questions gather practical information so that an answer can specify a time, a place, or confirmation.
متى ستدرسين؟
When will you study? Addressed to one woman.
هل سندرس في الغرفة؟
Will we study in the room?
References for this explanation
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞未完了形直説法:sa/qad+未完了形:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞未完了形直説法:Ⅰ型:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 属格の用法:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 対格の用法:動詞の目的語,会話表現:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 形容詞:名詞+形容詞:解説
Distinguish a prediction from a possibility
The supplied pattern قد plus an imperfect can express possibility: قد يكتب, “he may write.” It does not make the same claim as “he will write.” If you are unsure whether someone will send a message, possibility wording can represent that uncertainty more accurately than a confident prediction. The lesson tests the stated meaning, not which outcome will actually occur.
قد also appears with perfect verbs, the past tense forms, where its role differs. Do not attach one fixed meaning to the particle in every environment. Here the contrast is specifically between a prospective statement with سَ or سَوْفَ and a possibility statement with قد plus an imperfect. Identify the verb form as well as the particle.
A plan can fail, and a possibility can become reality. Neither outcome retroactively changes the grammatical form originally used. The useful question is what the speaker was claiming at the time. For your own production, name the evidence or degree of uncertainty when the conversation requires it.
سيكتب سامر غدًا.
Samer will write tomorrow.
قد يكتب سامر غدًا.
Samer may write tomorrow.
Recognize future negation with لن
A common standard future negative uses لن with the subjunctive, a form of the imperfect with its own endings. For a regular singular form, the full ending changes from u to a: لن أكتبَ, “I will not write.” With the feminine listener form, the indicative nun is removed: لن تكتبي. These changes belong to the construction selected by لن. Do not retain سَ after لن in the target pattern.
This introduction contrasts a few explicit forms rather than teaching every weak verb’s subjunctive. A regular model lets you see both the negative meaning and the ending change. Another possible future negative uses sawfa with lā, but it is outside the productive pattern practiced here. The existence of alternatives does not make every combination of particles valid.
To finish, build an affirmative plan, a possibility, and a negative plan with the same action. State which particle changed and whether the verb ending changed. This three way comparison prevents a learner from treating future, possible, and negative as unrelated vocabulary items.
لن أكتبَ اليوم.
I will not write today.
لن تكتبي اليوم.
You will not write today, addressed to one woman.
Change polarity and mood together
Negate أنتِ ستكتبين with لن.
- Retain the female listener.
- Replace the affirmative future marker with لن.
- Use the subjunctive تكتبي, without the indicative nun.
Compare your reasoning
أنتِ لن تكتبي.
References for this explanation
Notice the difference
Common mistakes
Do not erase person after سَ
Instead ofأنا سكتب.
For this meaningأنا سأكتب.
The first person prefix stays inside the future form.
Do not shorten an affirmative indicative
Instead ofأنتِ ستكتبي.
For this meaningأنتِ ستكتبين.
سَ does not itself select the shortened subjunctive form.
Do not combine لن and سَ here
Instead ofلن سأدرس.
For this meaningلن أدرسَ.
The taught لن construction selects a subjunctive imperfect without سَ.
Use قد, not سَ, for an uncertain possibility
Instead ofسيكتب سامر غدًا.
For this meaningقد يكتب سامر غدًا.
For the intended uncertain possibility, use قد with the imperfect. The first sentence is grammatical but makes a different claim.
From understanding to using
Make your own example.
Try these without answer choices. Say your answer aloud or write it below, then compare your reasoning with the model.
Your turn 1
Say that you will study tomorrow and will write a message today. Use سَ.
Compare with a model
سأدرس غدًا. سأكتب رسالة اليوم.
I will study tomorrow. I will write a message today.
Each verb retains the first person prefix after the attached future marker.
- Did you keep the two time expressions?
- Did the speaker remain I?
Your turn 2
Address a woman: “You will write tomorrow, but you will not write today.” Give two sentences.
Compare with a model
ستكتبين غدًا. لن تكتبي اليوم.
You will write tomorrow. You will not write today.
The affirmative has the indicative ending; لن selects the form without final nun.
- Did you preserve the female listener?
- Can you explain the ending difference?
Put it into practice
Make the next choice.
Choose a response and learn why it works. Your score reflects your first answer to each question. You can revisit anything you miss.
Choose an answer, then open the explanation to check your reasoning.
Question 1
Make “I write” explicitly future.
أنا ___ غدًا.
- سأكتب
- سكتب
Check the answer
Answer: سأكتب
سأكتب: سَ comes before the complete first person verb.
سكتب: This omits the first person prefix.
Question 2
Say “we will study.”
نحن ___ غدًا.
- سيدرس
- سندرس
Check the answer
Answer: سندرس
سيدرس: This is third person masculine singular.
سندرس: The first person plural prefix remains after سَ.
Question 3
Say “he will write.”
هو ___ الرسالة.
- سيكتب
- سأكتب
Check the answer
Answer: سيكتب
سيكتب: يـ identifies the third person masculine subject.
سأكتب: This identifies I.
Question 4
Say “she will write.”
هي ___ غدًا.
- سنكتب
- ستكتب
Check the answer
Answer: ستكتب
سنكتب: This identifies we.
ستكتب: تـ identifies she in this supplied context.
Question 5
Address one woman with an affirmative future.
أنتِ ___ الرسالة.
- ستكتبين
- ستكتب
Check the answer
Answer: ستكتبين
ستكتبين: The indicative feminine listener ending remains.
ستكتب: This lacks the required feminine listener ending.
Question 6
Refer to a masculine group with the subject first.
هم ___ غدًا.
- سيكتب
- سيكتبون
Check the answer
Answer: سيكتبون
سيكتب: This is singular in the stated subject first pattern.
سيكتبون: The plural indicative ending remains.
Question 7
Rewrite سأدرس using سَوْفَ.
- سوف أدرس
- سوف درس
Check the answer
Answer: سوف أدرس
سوف أدرس: سَوْفَ is a separate word before the full verb.
سوف درس: The required imperfect person form is missing.
Question 8
Which statement about سَوْفَ is accurate?
- It always means at least one year later.
- It can be used with an event tomorrow.
Check the answer
Answer: It can be used with an event tomorrow.
It always means at least one year later.: That invented threshold is not a grammar rule.
It can be used with an event tomorrow.: There is no rigid minimum temporal distance.
Question 9
Ask when a woman will study.
___ ستدرسين؟
- متى
- أين
Check the answer
Answer: متى
متى: This asks for time.
أين: This asks for place.
Question 10
Ask whether the group will study.
___ سندرس؟
- متى
- هل
Check the answer
Answer: هل
متى: This asks “when” instead.
هل: This forms a yes or no question.
Question 11
Choose “may write,” rather than “will write.”
- قد يكتب
- سيكتب
Check the answer
Answer: قد يكتب
قد يكتب: قد with the imperfect presents possibility here.
سيكتب: This is the taught future statement.
Question 12
Use the taught لن construction.
- لن سأكتب اليوم.
- لن أكتبَ اليوم.
Check the answer
Answer: لن أكتبَ اليوم.
لن سأكتب اليوم.: سَ is not retained in this construction.
لن أكتبَ اليوم.: لن selects the subjunctive imperfect.
Question 13
Negate a woman’s future action with لن.
أنتِ لن ___ اليوم.
- تكتبي
- تكتبين
Check the answer
Answer: تكتبي
تكتبي: The indicative nun is removed in the subjunctive.
تكتبين: This retains the indicative ending after لن.
Question 14
What does changing “I will write” to “I may write” change?
- The identity of the writer
- The strength and type of claim
Check the answer
Answer: The strength and type of claim
The identity of the writer: The first person subject can remain the same.
The strength and type of claim: Possibility does not assert the same expectation.
Keep the conversation going
What to practice next
Write one plan, one uncertain possibility and one negative plan. Keep the person constant so the contrast remains visible.
Keep it going in the app
Say it out loud next.
The Loquus app turns lessons like this into guided conversations and speaking practice, with normal and slow audio. On iPhone and iPad, speech recognition runs on your device.
Free to start. No account needed.

By Loquus ·
Sources
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞未完了形直説法:sa/qad+未完了形:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞未完了形直説法:Ⅰ型:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 対格の用法:時や状態を表わす表現:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 人称代名詞:独立人称代名詞:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 人称代名詞:接尾代名詞:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞と動作主の語順:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 属格の用法:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 対格の用法:動詞の目的語,会話表現:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 形容詞:名詞+形容詞:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞完了形:qad+完了形:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞完了形:人称変化:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞未完了形接続法:解説
- Tokyo University of Foreign Studies: フスハー(正則語) 文法 動詞未完了形要求法:「~しなかった」「まだ~していない」:解説
Learning research behind the practice
Worked examples, retrieval practice, and later review inform the activities. These studies do not establish the effectiveness of this specific lesson.