| Simple | Progressive | Perfect | Progressive |
| Present |
| I blunder |
| you blunder |
| he/she/it blunders |
| we blunder |
| you all blunder |
| they blunder |
|
| I am blundering |
| you are blundering |
| he/she/it is blundering |
| we are blundering |
| you all are blundering |
| they are blundering |
|
| I have blundered |
| you have blundered |
| he/she/it has blundered |
| we have blundered |
| you all have blundered |
| they have blundered |
|
| I have been blundering |
| you have been blundering |
| he/she/it has been blundering |
| we have been blundering |
| you all have been blundering |
| they have been blundering |
|
| Past |
| I blundered |
| you blundered |
| he/she/it blundered |
| we blundered |
| you all blundered |
| they blundered |
|
| I was blundering |
| you were blundering |
| he/she/it was blundering |
| we were blundering |
| you all were blundering |
| they were blundering |
|
| I had blundered |
| you had blundered |
| he/she/it had blundered |
| we had blundered |
| you all had blundered |
| they had blundered |
|
| I had been blundering |
| you had been blundering |
| he/she/it had been blundering |
| we had been blundering |
| you all had been blundering |
| they had been blundering |
|
| Future |
| I will blunder |
| you will blunder |
| he/she/it will blunder |
| we will blunder |
| you all will blunder |
| they will blunder |
|
| I will be blundering |
| you will be blundering |
| he/she/it will be blundering |
| we are blundering |
| you all will be blundering |
| they will be blundering |
|
| I will have blundered |
| you will have blundered |
| he/she/it will have blundered |
| we will have blundered |
| you all will have blundered |
| they will have blundered |
|
| I will have been blundering |
| you will have been blundering |
| he/she/it will have been blundering |
| we will have been blundering |
| you all will have been blundering |
| they will have been blundering |
|
