| Simple | Progressive | Perfect | Progressive |
| Present |
| I testify |
| you testify |
| he/she/it testifies |
| we testify |
| you all testify |
| they testify |
|
| I am testifying |
| you are testifying |
| he/she/it is testifying |
| we are testifying |
| you all are testifying |
| they are testifying |
|
| I have testified |
| you have testified |
| he/she/it has testified |
| we have testified |
| you all have testified |
| they have testified |
|
| I have been testifying |
| you have been testifying |
| he/she/it has been testifying |
| we have been testifying |
| you all have been testifying |
| they have been testifying |
|
| Past |
| I testified |
| you testified |
| he/she/it testified |
| we testified |
| you all testified |
| they testified |
|
| I was testifying |
| you were testifying |
| he/she/it was testifying |
| we were testifying |
| you all were testifying |
| they were testifying |
|
| I had testified |
| you had testified |
| he/she/it had testified |
| we had testified |
| you all had testified |
| they had testified |
|
| I had been testifying |
| you had been testifying |
| he/she/it had been testifying |
| we had been testifying |
| you all had been testifying |
| they had been testifying |
|
| Future |
| I will testify |
| you will testify |
| he/she/it will testify |
| we will testify |
| you all will testify |
| they will testify |
|
| I will be testifying |
| you will be testifying |
| he/she/it will be testifying |
| we are testifying |
| you all will be testifying |
| they will be testifying |
|
| I will have testified |
| you will have testified |
| he/she/it will have testified |
| we will have testified |
| you all will have testified |
| they will have testified |
|
| I will have been testifying |
| you will have been testifying |
| he/she/it will have been testifying |
| we will have been testifying |
| you all will have been testifying |
| they will have been testifying |
|
