| I | tighten up on |
| you | tighten up on |
| he/she/it | tightens up on |
| we | tighten up on |
| you | tighten up on |
| they | tighten up on |
| I | have tightened up on |
| you | have tightened up on |
| he/she/it | has tightened up on |
| we | have tightened up on |
| you | have tightened up on |
| they | have tightened up on |
| I | tightened up on |
| you | tightened up on |
| he/she/it | tightened up on |
| we | tightened up on |
| you | tightened up on |
| they | tightened up on |
| I | had tightened up on |
| you | had tightened up on |
| he/she/it | had tightened up on |
| we | had tightened up on |
| you | had tightened up on |
| they | had tightened up on |
| I | will tighten up on |
| you | will tighten up on |
| he/she/it | will tighten up on |
| we | will tighten up on |
| you | will tighten up on |
| they | will tighten up on |
| I | will have tightened up on |
| you | will have tightened up on |
| he/she/it | will have tightened up on |
| we | will have tightened up on |
| you | will have tightened up on |
| they | will have tightened up on |
| I | am tightening up on |
| you | are tightening up on |
| he/she/it | is tightening up on |
| we | are tightening up on |
| you | are tightening up on |
| they | are tightening up on |
| I | have been tightening up on |
| you | have been tightening up on |
| he/she/it | has been tightening up on |
| we | have been tightening up on |
| you | have been tightening up on |
| they | have been tightening up on |
| I | was tightening up on |
| you | were tightening up on |
| he/she/it | was tightening up on |
| we | were tightening up on |
| you | were tightening up on |
| they | were tightening up on |
| I | had been tightening up on |
| you | had been tightening up on |
| he/she/it | had been tightening up on |
| we | had been tightening up on |
| you | had been tightening up on |
| they | had been tightening up on |
| I | will be tightening up on |
| you | will be tightening up on |
| he/she/it | will be tightening up on |
| we | will be tightening up on |
| you | will be tightening up on |
| they | will be tightening up on |
| I | will have been tightening up on |
| you | will have been tightening up on |
| he/she/it | will have been tightening up on |
| we | will have been tightening up on |
| you | will have been tightening up on |
| they | will have been tightening up on |
| I | would tighten up on |
| you | would tighten up on |
| he/she/it | would tighten up on |
| we | would tighten up on |
| you | would tighten up on |
| they | would tighten up on |
| I | would have tightened up on |
| you | would have tightened up on |
| he/she/it | would have tightened up on |
| we | would have tightened up on |
| you | would have tightened up on |
| they | would have tightened up on |
| I | would be tightening up on |
| you | would be tightening up on |
| he/she/it | would be tightening up on |
| we | would be tightening up on |
| you | would be tightening up on |
| they | would be tightening up on |
| I | would have been tightening up on |
| you | would have been tightening up on |
| he/she/it | would have been tightening up on |
| we | would have been tightening up on |
| you | would have been tightening up on |
| they | would have been tightening up on |
| You | tighten up on |
| we | Let's tighten up on |
| You | tighten up on |