| Simple | Progressive | Perfect | Progressive |
| Present |
| I surmise |
| you surmise |
| he/she/it surmises |
| we surmise |
| you all surmise |
| they surmise |
|
| I am surmising |
| you are surmising |
| he/she/it is surmising |
| we are surmising |
| you all are surmising |
| they are surmising |
|
| I have surmised |
| you have surmised |
| he/she/it has surmised |
| we have surmised |
| you all have surmised |
| they have surmised |
|
| I have been surmising |
| you have been surmising |
| he/she/it has been surmising |
| we have been surmising |
| you all have been surmising |
| they have been surmising |
|
| Past |
| I surmised |
| you surmised |
| he/she/it surmised |
| we surmised |
| you all surmised |
| they surmised |
|
| I was surmising |
| you were surmising |
| he/she/it was surmising |
| we were surmising |
| you all were surmising |
| they were surmising |
|
| I had surmised |
| you had surmised |
| he/she/it had surmised |
| we had surmised |
| you all had surmised |
| they had surmised |
|
| I had been surmising |
| you had been surmising |
| he/she/it had been surmising |
| we had been surmising |
| you all had been surmising |
| they had been surmising |
|
| Future |
| I will surmise |
| you will surmise |
| he/she/it will surmise |
| we will surmise |
| you all will surmise |
| they will surmise |
|
| I will be surmising |
| you will be surmising |
| he/she/it will be surmising |
| we are surmising |
| you all will be surmising |
| they will be surmising |
|
| I will have surmised |
| you will have surmised |
| he/she/it will have surmised |
| we will have surmised |
| you all will have surmised |
| they will have surmised |
|
| I will have been surmising |
| you will have been surmising |
| he/she/it will have been surmising |
| we will have been surmising |
| you all will have been surmising |
| they will have been surmising |
|
