| I | straighten up |
| you | straighten up |
| he/she/it | straightens up |
| we | straighten up |
| you | straighten up |
| they | straighten up |
| I | have straightened up |
| you | have straightened up |
| he/she/it | has straightened up |
| we | have straightened up |
| you | have straightened up |
| they | have straightened up |
| I | straightened up |
| you | straightened up |
| he/she/it | straightened up |
| we | straightened up |
| you | straightened up |
| they | straightened up |
| I | had straightened up |
| you | had straightened up |
| he/she/it | had straightened up |
| we | had straightened up |
| you | had straightened up |
| they | had straightened up |
| I | will straighten up |
| you | will straighten up |
| he/she/it | will straighten up |
| we | will straighten up |
| you | will straighten up |
| they | will straighten up |
| I | will have straightened up |
| you | will have straightened up |
| he/she/it | will have straightened up |
| we | will have straightened up |
| you | will have straightened up |
| they | will have straightened up |
| I | am straightening up |
| you | are straightening up |
| he/she/it | is straightening up |
| we | are straightening up |
| you | are straightening up |
| they | are straightening up |
| I | have been straightening up |
| you | have been straightening up |
| he/she/it | has been straightening up |
| we | have been straightening up |
| you | have been straightening up |
| they | have been straightening up |
| I | was straightening up |
| you | were straightening up |
| he/she/it | was straightening up |
| we | were straightening up |
| you | were straightening up |
| they | were straightening up |
| I | had been straightening up |
| you | had been straightening up |
| he/she/it | had been straightening up |
| we | had been straightening up |
| you | had been straightening up |
| they | had been straightening up |
| I | will be straightening up |
| you | will be straightening up |
| he/she/it | will be straightening up |
| we | will be straightening up |
| you | will be straightening up |
| they | will be straightening up |
| I | will have been straightening up |
| you | will have been straightening up |
| he/she/it | will have been straightening up |
| we | will have been straightening up |
| you | will have been straightening up |
| they | will have been straightening up |
| I | would straighten up |
| you | would straighten up |
| he/she/it | would straighten up |
| we | would straighten up |
| you | would straighten up |
| they | would straighten up |
| I | would have straightened up |
| you | would have straightened up |
| he/she/it | would have straightened up |
| we | would have straightened up |
| you | would have straightened up |
| they | would have straightened up |
| I | would be straightening up |
| you | would be straightening up |
| he/she/it | would be straightening up |
| we | would be straightening up |
| you | would be straightening up |
| they | would be straightening up |
| I | would have been straightening up |
| you | would have been straightening up |
| he/she/it | would have been straightening up |
| we | would have been straightening up |
| you | would have been straightening up |
| they | would have been straightening up |
| You | straighten up |
| we | Let's straighten up |
| You | straighten up |