Portuguese reference
prevenir
to prevent through precautions; to warn
Stem change · 24 form tables
Brazilian Portuguese, with você, a gente and vocês. The tables also include personal infinitives; supplied tu commands appear under other forms.
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Indicative
Present
| Person, form or usage | Form and meaning |
|---|---|
| eu | I prevent through precautions |
| você, ele, ela | you prevent through precautions; he/she prevents through precautions |
| nós | we prevent through precautions |
| a gente | we prevent through precautions |
| vocês, eles, elas | you (plural) prevent through precautions; they prevent through precautions |
Present continuous
| Person, form or usage | Form and meaning |
|---|---|
| eu | I am preventing through precautions |
| você, ele, ela | you are preventing through precautions; he/she is preventing through precautions |
| nós | we are preventing through precautions |
| a gente | we are preventing through precautions |
| vocês, eles, elas | you (plural) are preventing through precautions; they are preventing through precautions |
Past continuous
| Person, form or usage | Form and meaning |
|---|---|
| eu | I was preventing through precautions |
| você, ele, ela | you were preventing through precautions; he/she was preventing through precautions |
| nós | we were preventing through precautions |
| a gente | we were preventing through precautions |
| vocês, eles, elas | you (plural) were preventing through precautions; they were preventing through precautions |
Completed past
| Person, form or usage | Form and meaning |
|---|---|
| eu | I prevented through precautions |
| você, ele, ela | you prevented through precautions; he/she prevented through precautions |
| nós | we prevented through precautions |
| a gente | we prevented through precautions |
| vocês, eles, elas | you (plural) prevented through precautions; they prevented through precautions |
Imperfect
| Person, form or usage | Form and meaning |
|---|---|
| eu | I used to prevent through precautions |
| você, ele, ela | you used to prevent through precautions; he/she used to prevent through precautions |
| nós | we used to prevent through precautions |
| a gente | we used to prevent through precautions |
| vocês, eles, elas | you (plural) used to prevent through precautions; they used to prevent through precautions |
Compound past
| Person, form or usage | Form and meaning |
|---|---|
| eu | I have been preventing through precautions |
| você, ele, ela | you have been preventing through precautions; he/she has been preventing through precautions |
| nós | we have been preventing through precautions |
| a gente | we have been preventing through precautions |
| vocês, eles, elas | you (plural) have been preventing through precautions; they have been preventing through precautions |
Past perfect
| Person, form or usage | Form and meaning |
|---|---|
| eu | I had prevented through precautions |
| você, ele, ela | you had prevented through precautions; he/she had prevented through precautions |
| nós | we had prevented through precautions |
| a gente | we had prevented through precautions |
| vocês, eles, elas | you (plural) had prevented through precautions; they had prevented through precautions |
Literary past perfect
| Person, form or usage | Form and meaning |
|---|---|
| eu | I had prevented through precautions |
| você, ele, ela | you had prevented through precautions; he/she had prevented through precautions |
| nós | we had prevented through precautions |
| a gente | we had prevented through precautions |
| vocês, eles, elas | you (plural) had prevented through precautions; they had prevented through precautions |
Future
| Person, form or usage | Form and meaning |
|---|---|
| eu | I will prevent through precautions |
| você, ele, ela | you will prevent through precautions; he/she will prevent through precautions |
| nós | we will prevent through precautions |
| a gente | we will prevent through precautions |
| vocês, eles, elas | you (plural) will prevent through precautions; they will prevent through precautions |
Future perfect
| Person, form or usage | Form and meaning |
|---|---|
| eu | I will have prevented through precautions |
| você, ele, ela | you will have prevented through precautions; he/she will have prevented through precautions |
| nós | we will have prevented through precautions |
| a gente | we will have prevented through precautions |
| vocês, eles, elas | you (plural) will have prevented through precautions; they will have prevented through precautions |
Going to
| Person, form or usage | Form and meaning |
|---|---|
| eu | I am going to prevent through precautions |
| você, ele, ela | you are going to prevent through precautions; he/she is going to prevent through precautions |
| nós | we are going to prevent through precautions |
| a gente | we are going to prevent through precautions |
| vocês, eles, elas | you (plural) are going to prevent through precautions; they are going to prevent through precautions |
Was going to
| Person, form or usage | Form and meaning |
|---|---|
| eu | I was going to prevent through precautions |
| você, ele, ela | you were going to prevent through precautions; he/she was going to prevent through precautions |
| nós | we were going to prevent through precautions |
| a gente | we were going to prevent through precautions |
| vocês, eles, elas | you (plural) were going to prevent through precautions; they were going to prevent through precautions |
Conditional
| Person, form or usage | Form and meaning |
|---|---|
| eu | I would prevent through precautions |
| você, ele, ela | you would prevent through precautions; he/she would prevent through precautions |
| nós | we would prevent through precautions |
| a gente | we would prevent through precautions |
| vocês, eles, elas | you (plural) would prevent through precautions; they would prevent through precautions |
Conditional perfect
| Person, form or usage | Form and meaning |
|---|---|
| eu | I would have prevented through precautions |
| você, ele, ela | you would have prevented through precautions; he/she would have prevented through precautions |
| nós | we would have prevented through precautions |
| a gente | we would have prevented through precautions |
| vocês, eles, elas | you (plural) would have prevented through precautions; they would have prevented through precautions |
Subjunctive
Present subjunctive
| Person, form or usage | Form and meaning |
|---|---|
| eu | (that) I prevent through precautions |
| você, ele, ela | (that) you prevent through precautions; (that) he/she prevents through precautions |
| nós | (that) we prevent through precautions |
| a gente | (that) we prevent through precautions |
| vocês, eles, elas | (that) you (plural) prevent through precautions; (that) they prevent through precautions |
Imperfect subjunctive
| Person, form or usage | Form and meaning |
|---|---|
| eu | (if) I prevented through precautions |
| você, ele, ela | (if) you prevented through precautions; (if) he/she prevented through precautions |
| nós | (if) we prevented through precautions |
| a gente | (if) we prevented through precautions |
| vocês, eles, elas | (if) you (plural) prevented through precautions; (if) they prevented through precautions |
Perfect subjunctive
| Person, form or usage | Form and meaning |
|---|---|
| eu | (that) I have prevented through precautions |
| você, ele, ela | (that) you have prevented through precautions; (that) he/she has prevented through precautions |
| nós | (that) we have prevented through precautions |
| a gente | (that) we have prevented through precautions |
| vocês, eles, elas | (that) you (plural) have prevented through precautions; (that) they have prevented through precautions |
Pluperfect subjunctive
| Person, form or usage | Form and meaning |
|---|---|
| eu | (that) I had prevented through precautions |
| você, ele, ela | (that) you had prevented through precautions; (that) he/she had prevented through precautions |
| nós | (that) we had prevented through precautions |
| a gente | (that) we had prevented through precautions |
| vocês, eles, elas | (that) you (plural) had prevented through precautions; (that) they had prevented through precautions |
Future subjunctive
| Person, form or usage | Form and meaning |
|---|---|
| eu | (when/if) I prevent through precautions |
| você, ele, ela | (when/if) you prevent through precautions; (when/if) he/she prevents through precautions |
| nós | (when/if) we prevent through precautions |
| a gente | (when/if) we prevent through precautions |
| vocês, eles, elas | (when/if) you (plural) prevent through precautions; (when/if) they prevent through precautions |
Future perfect subjunctive
| Person, form or usage | Form and meaning |
|---|---|
| eu | (when/if) I have prevented through precautions |
| você, ele, ela | (when/if) you have prevented through precautions; (when/if) he/she has prevented through precautions |
| nós | (when/if) we have prevented through precautions |
| a gente | (when/if) we have prevented through precautions |
| vocês, eles, elas | (when/if) you (plural) have prevented through precautions; (when/if) they have prevented through precautions |
Commands
Affirmative command
| Person, form or usage | Form and meaning |
|---|---|
| você, ele, ela | prevent through precautions! |
| nós | let's prevent through precautions! |
| vocês, eles, elas | prevent through precautions! (plural) |
Negative command
| Person, form or usage | Form and meaning |
|---|---|
| você, ele, ela | do not prevent through precautions! |
| nós | let's not prevent through precautions! |
| vocês, eles, elas | do not prevent through precautions! (plural) |
Infinitive
Personal infinitive
| Person, form or usage | Form and meaning |
|---|---|
| eu | for me to prevent through precautions |
| você, ele, ela | for you to prevent through precautions; for him/her to prevent through precautions |
| nós | for us to prevent through precautions |
| a gente | for us to prevent through precautions |
| vocês, eles, elas | for you (plural) to prevent through precautions; for them to prevent through precautions |
Compound personal infinitive
| Person, form or usage | Form and meaning |
|---|---|
| eu | for me to have prevented through precautions |
| você, ele, ela | for you to have prevented through precautions; for him/her to have prevented through precautions |
| nós | for us to have prevented through precautions |
| a gente | for us to have prevented through precautions |
| vocês, eles, elas | for you (plural) to have prevented through precautions; for them to have prevented through precautions |
Additional forms
- Gerund
- Past participle
- Past infinitive
- Past gerund
- Affirmative command: tu
- Negative command: tu
Forms from the Loquus reference. Only supplied forms are shown. Browse all Portuguese entries.