Conjugation verb tighten up

Present

• I tighten
• you tighten
• he/she/it tightens
• we tighten
• you tighten
• they tighten

Preterite

• I tightened
• you tightened
• he/she/it tightened
• we tightened
• you tightened
• they tightened

Present continuous

• I am tightening
• you are tightening
• he/she/it is tightening
• we are tightening
• you are tightening
• they are tightening

Present perfect

• I have tightened
• you have tightened
• he/she/it has tightened
• we have tightened
• you have tightened
• they have tightened

Future

• I will tighten
• you will tighten
• he/she/it will tighten
• we will tighten
• you will tighten
• they will tighten

Future perfect

• I will have tightened
• you will have tightened
• he/she/it will have tightened
• we will have tightened
• you will have tightened
• they will have tightened

Past continous

• I was tightening
• you were tightening
• he/she/it was tightening
• we were tightening
• you were tightening
• they were tightening

Past perfect

• I had tightened
• you had tightened
• he/she/it had tightened
• we had tightened
• you had tightened
• they had tightened

Future continuous

• I will be tightening
• you will be tightening
• he/she/it will be tightening
• we will be tightening
• you will be tightening
• they will be tightening

Present perfect continuous

• I have been tightening
• you have been tightening
• he/she/it has been tightening
• we have been tightening
• you have been tightening
• they have been tightening

Past perfect continuous

• I had been tightening
• you had been tightening
• he/she/it had been tightening
• we had been tightening
• you had been tightening
• they had been tightening

Future perfect continuous

• I will have been tightening
• you will have been tightening
• he/she/it will have been tightening
• we will have been tightening
• you will have been tightening
• they will have been tightening

Present

• tightening

Past

• tightened

• having tightened