| Simple | Progressive | Perfect | Progressive |
| Present |
| I slump |
| you slump |
| he/she/it slumps |
| we slump |
| you all slump |
| they slump |
|
| I am slumping |
| you are slumping |
| he/she/it is slumping |
| we are slumping |
| you all are slumping |
| they are slumping |
|
| I have slumped |
| you have slumped |
| he/she/it has slumped |
| we have slumped |
| you all have slumped |
| they have slumped |
|
| I have been slumping |
| you have been slumping |
| he/she/it has been slumping |
| we have been slumping |
| you all have been slumping |
| they have been slumping |
|
| Past |
| I slumped |
| you slumped |
| he/she/it slumped |
| we slumped |
| you all slumped |
| they slumped |
|
| I was slumping |
| you were slumping |
| he/she/it was slumping |
| we were slumping |
| you all were slumping |
| they were slumping |
|
| I had slumped |
| you had slumped |
| he/she/it had slumped |
| we had slumped |
| you all had slumped |
| they had slumped |
|
| I had been slumping |
| you had been slumping |
| he/she/it had been slumping |
| we had been slumping |
| you all had been slumping |
| they had been slumping |
|
| Future |
| I will slump |
| you will slump |
| he/she/it will slump |
| we will slump |
| you all will slump |
| they will slump |
|
| I will be slumping |
| you will be slumping |
| he/she/it will be slumping |
| we are slumping |
| you all will be slumping |
| they will be slumping |
|
| I will have slumped |
| you will have slumped |
| he/she/it will have slumped |
| we will have slumped |
| you all will have slumped |
| they will have slumped |
|
| I will have been slumping |
| you will have been slumping |
| he/she/it will have been slumping |
| we will have been slumping |
| you all will have been slumping |
| they will have been slumping |
|
