| Simple | Progressive | Perfect | Progressive |
| Present |
| I abstract |
| you abstract |
| he/she/it abstracts |
| we abstract |
| you all abstract |
| they abstract |
|
| I am abstracting |
| you are abstracting |
| he/she/it is abstracting |
| we are abstracting |
| you all are abstracting |
| they are abstracting |
|
| I have abstracted |
| you have abstracted |
| he/she/it has abstracted |
| we have abstracted |
| you all have abstracted |
| they have abstracted |
|
| I have been abstracting |
| you have been abstracting |
| he/she/it has been abstracting |
| we have been abstracting |
| you all have been abstracting |
| they have been abstracting |
|
| Past |
| I abstracted |
| you abstracted |
| he/she/it abstracted |
| we abstracted |
| you all abstracted |
| they abstracted |
|
| I was abstracting |
| you were abstracting |
| he/she/it was abstracting |
| we were abstracting |
| you all were abstracting |
| they were abstracting |
|
| I had abstracted |
| you had abstracted |
| he/she/it had abstracted |
| we had abstracted |
| you all had abstracted |
| they had abstracted |
|
| I had been abstracting |
| you had been abstracting |
| he/she/it had been abstracting |
| we had been abstracting |
| you all had been abstracting |
| they had been abstracting |
|
| Future |
| I will abstract |
| you will abstract |
| he/she/it will abstract |
| we will abstract |
| you all will abstract |
| they will abstract |
|
| I will be abstracting |
| you will be abstracting |
| he/she/it will be abstracting |
| we are abstracting |
| you all will be abstracting |
| they will be abstracting |
|
| I will have abstracted |
| you will have abstracted |
| he/she/it will have abstracted |
| we will have abstracted |
| you all will have abstracted |
| they will have abstracted |
|
| I will have been abstracting |
| you will have been abstracting |
| he/she/it will have been abstracting |
| we will have been abstracting |
| you all will have been abstracting |
| they will have been abstracting |
|
