| Simple | Progressive | Perfect | Progressive |
| Present |
| I shudder |
| you shudder |
| he/she/it shudders |
| we shudder |
| you all shudder |
| they shudder |
|
| I am shuddering |
| you are shuddering |
| he/she/it is shuddering |
| we are shuddering |
| you all are shuddering |
| they are shuddering |
|
| I have shuddered |
| you have shuddered |
| he/she/it has shuddered |
| we have shuddered |
| you all have shuddered |
| they have shuddered |
|
| I have been shuddering |
| you have been shuddering |
| he/she/it has been shuddering |
| we have been shuddering |
| you all have been shuddering |
| they have been shuddering |
|
| Past |
| I shuddered |
| you shuddered |
| he/she/it shuddered |
| we shuddered |
| you all shuddered |
| they shuddered |
|
| I was shuddering |
| you were shuddering |
| he/she/it was shuddering |
| we were shuddering |
| you all were shuddering |
| they were shuddering |
|
| I had shuddered |
| you had shuddered |
| he/she/it had shuddered |
| we had shuddered |
| you all had shuddered |
| they had shuddered |
|
| I had been shuddering |
| you had been shuddering |
| he/she/it had been shuddering |
| we had been shuddering |
| you all had been shuddering |
| they had been shuddering |
|
| Future |
| I will shudder |
| you will shudder |
| he/she/it will shudder |
| we will shudder |
| you all will shudder |
| they will shudder |
|
| I will be shuddering |
| you will be shuddering |
| he/she/it will be shuddering |
| we are shuddering |
| you all will be shuddering |
| they will be shuddering |
|
| I will have shuddered |
| you will have shuddered |
| he/she/it will have shuddered |
| we will have shuddered |
| you all will have shuddered |
| they will have shuddered |
|
| I will have been shuddering |
| you will have been shuddering |
| he/she/it will have been shuddering |
| we will have been shuddering |
| you all will have been shuddering |
| they will have been shuddering |
|
