| Simple | Progressive | Perfect | Progressive |
| Present |
| I corrugate |
| you corrugate |
| he/she/it corrugates |
| we corrugate |
| you all corrugate |
| they corrugate |
|
| I am corrugating |
| you are corrugating |
| he/she/it is corrugating |
| we are corrugating |
| you all are corrugating |
| they are corrugating |
|
| I have corrugated |
| you have corrugated |
| he/she/it has corrugated |
| we have corrugated |
| you all have corrugated |
| they have corrugated |
|
| I have been corrugating |
| you have been corrugating |
| he/she/it has been corrugating |
| we have been corrugating |
| you all have been corrugating |
| they have been corrugating |
|
| Past |
| I corrugated |
| you corrugated |
| he/she/it corrugated |
| we corrugated |
| you all corrugated |
| they corrugated |
|
| I was corrugating |
| you were corrugating |
| he/she/it was corrugating |
| we were corrugating |
| you all were corrugating |
| they were corrugating |
|
| I had corrugated |
| you had corrugated |
| he/she/it had corrugated |
| we had corrugated |
| you all had corrugated |
| they had corrugated |
|
| I had been corrugating |
| you had been corrugating |
| he/she/it had been corrugating |
| we had been corrugating |
| you all had been corrugating |
| they had been corrugating |
|
| Future |
| I will corrugate |
| you will corrugate |
| he/she/it will corrugate |
| we will corrugate |
| you all will corrugate |
| they will corrugate |
|
| I will be corrugating |
| you will be corrugating |
| he/she/it will be corrugating |
| we are corrugating |
| you all will be corrugating |
| they will be corrugating |
|
| I will have corrugated |
| you will have corrugated |
| he/she/it will have corrugated |
| we will have corrugated |
| you all will have corrugated |
| they will have corrugated |
|
| I will have been corrugating |
| you will have been corrugating |
| he/she/it will have been corrugating |
| we will have been corrugating |
| you all will have been corrugating |
| they will have been corrugating |
|
