| Simple | Progressive | Perfect | Progressive |
| Present |
| I combine |
| you combine |
| he/she/it combines |
| we combine |
| you all combine |
| they combine |
|
| I am combining |
| you are combining |
| he/she/it is combining |
| we are combining |
| you all are combining |
| they are combining |
|
| I have combined |
| you have combined |
| he/she/it has combined |
| we have combined |
| you all have combined |
| they have combined |
|
| I have been combining |
| you have been combining |
| he/she/it has been combining |
| we have been combining |
| you all have been combining |
| they have been combining |
|
| Past |
| I combined |
| you combined |
| he/she/it combined |
| we combined |
| you all combined |
| they combined |
|
| I was combining |
| you were combining |
| he/she/it was combining |
| we were combining |
| you all were combining |
| they were combining |
|
| I had combined |
| you had combined |
| he/she/it had combined |
| we had combined |
| you all had combined |
| they had combined |
|
| I had been combining |
| you had been combining |
| he/she/it had been combining |
| we had been combining |
| you all had been combining |
| they had been combining |
|
| Future |
| I will combine |
| you will combine |
| he/she/it will combine |
| we will combine |
| you all will combine |
| they will combine |
|
| I will be combining |
| you will be combining |
| he/she/it will be combining |
| we are combining |
| you all will be combining |
| they will be combining |
|
| I will have combined |
| you will have combined |
| he/she/it will have combined |
| we will have combined |
| you all will have combined |
| they will have combined |
|
| I will have been combining |
| you will have been combining |
| he/she/it will have been combining |
| we will have been combining |
| you all will have been combining |
| they will have been combining |
|
