| Simple | Progressive | Perfect | Progressive |
| Present |
| I clamber |
| you clamber |
| he/she/it clambers |
| we clamber |
| you all clamber |
| they clamber |
|
| I am clambering |
| you are clambering |
| he/she/it is clambering |
| we are clambering |
| you all are clambering |
| they are clambering |
|
| I have clambered |
| you have clambered |
| he/she/it has clambered |
| we have clambered |
| you all have clambered |
| they have clambered |
|
| I have been clambering |
| you have been clambering |
| he/she/it has been clambering |
| we have been clambering |
| you all have been clambering |
| they have been clambering |
|
| Past |
| I clambered |
| you clambered |
| he/she/it clambered |
| we clambered |
| you all clambered |
| they clambered |
|
| I was clambering |
| you were clambering |
| he/she/it was clambering |
| we were clambering |
| you all were clambering |
| they were clambering |
|
| I had clambered |
| you had clambered |
| he/she/it had clambered |
| we had clambered |
| you all had clambered |
| they had clambered |
|
| I had been clambering |
| you had been clambering |
| he/she/it had been clambering |
| we had been clambering |
| you all had been clambering |
| they had been clambering |
|
| Future |
| I will clamber |
| you will clamber |
| he/she/it will clamber |
| we will clamber |
| you all will clamber |
| they will clamber |
|
| I will be clambering |
| you will be clambering |
| he/she/it will be clambering |
| we are clambering |
| you all will be clambering |
| they will be clambering |
|
| I will have clambered |
| you will have clambered |
| he/she/it will have clambered |
| we will have clambered |
| you all will have clambered |
| they will have clambered |
|
| I will have been clambering |
| you will have been clambering |
| he/she/it will have been clambering |
| we will have been clambering |
| you all will have been clambering |
| they will have been clambering |
|
