| Simple | Progressive | Perfect | Progressive |
| Present |
| I parenthesize |
| you parenthesize |
| he/she/it parenthesizes |
| we parenthesize |
| you all parenthesize |
| they parenthesize |
|
| I am parenthesizing |
| you are parenthesizing |
| he/she/it is parenthesizing |
| we are parenthesizing |
| you all are parenthesizing |
| they are parenthesizing |
|
| I have parenthesized |
| you have parenthesized |
| he/she/it has parenthesized |
| we have parenthesized |
| you all have parenthesized |
| they have parenthesized |
|
| I have been parenthesizing |
| you have been parenthesizing |
| he/she/it has been parenthesizing |
| we have been parenthesizing |
| you all have been parenthesizing |
| they have been parenthesizing |
|
| Past |
| I parenthesized |
| you parenthesized |
| he/she/it parenthesized |
| we parenthesized |
| you all parenthesized |
| they parenthesized |
|
| I was parenthesizing |
| you were parenthesizing |
| he/she/it was parenthesizing |
| we were parenthesizing |
| you all were parenthesizing |
| they were parenthesizing |
|
| I had parenthesized |
| you had parenthesized |
| he/she/it had parenthesized |
| we had parenthesized |
| you all had parenthesized |
| they had parenthesized |
|
| I had been parenthesizing |
| you had been parenthesizing |
| he/she/it had been parenthesizing |
| we had been parenthesizing |
| you all had been parenthesizing |
| they had been parenthesizing |
|
| Future |
| I will parenthesize |
| you will parenthesize |
| he/she/it will parenthesize |
| we will parenthesize |
| you all will parenthesize |
| they will parenthesize |
|
| I will be parenthesizing |
| you will be parenthesizing |
| he/she/it will be parenthesizing |
| we are parenthesizing |
| you all will be parenthesizing |
| they will be parenthesizing |
|
| I will have parenthesized |
| you will have parenthesized |
| he/she/it will have parenthesized |
| we will have parenthesized |
| you all will have parenthesized |
| they will have parenthesized |
|
| I will have been parenthesizing |
| you will have been parenthesizing |
| he/she/it will have been parenthesizing |
| we will have been parenthesizing |
| you all will have been parenthesizing |
| they will have been parenthesizing |
|
