| Simple | Progressive | Perfect | Progressive |
| Present |
| I curve |
| you curve |
| he/she/it curves |
| we curve |
| you all curve |
| they curve |
|
| I am curving |
| you are curving |
| he/she/it is curving |
| we are curving |
| you all are curving |
| they are curving |
|
| I have curved |
| you have curved |
| he/she/it has curved |
| we have curved |
| you all have curved |
| they have curved |
|
| I have been curving |
| you have been curving |
| he/she/it has been curving |
| we have been curving |
| you all have been curving |
| they have been curving |
|
| Past |
| I curved |
| you curved |
| he/she/it curved |
| we curved |
| you all curved |
| they curved |
|
| I was curving |
| you were curving |
| he/she/it was curving |
| we were curving |
| you all were curving |
| they were curving |
|
| I had curved |
| you had curved |
| he/she/it had curved |
| we had curved |
| you all had curved |
| they had curved |
|
| I had been curving |
| you had been curving |
| he/she/it had been curving |
| we had been curving |
| you all had been curving |
| they had been curving |
|
| Future |
| I will curve |
| you will curve |
| he/she/it will curve |
| we will curve |
| you all will curve |
| they will curve |
|
| I will be curving |
| you will be curving |
| he/she/it will be curving |
| we are curving |
| you all will be curving |
| they will be curving |
|
| I will have curved |
| you will have curved |
| he/she/it will have curved |
| we will have curved |
| you all will have curved |
| they will have curved |
|
| I will have been curving |
| you will have been curving |
| he/she/it will have been curving |
| we will have been curving |
| you all will have been curving |
| they will have been curving |
|
