English verb conjugation
CAN RE-TIGHTEN

Regular verb: re-tighten - re-tightened - re-tightened

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I can re-tighten you can re-tighten she can re-tighten we can re-tighten you can re-tighten they can re-tighten	I can be re-tightening you can be re-tightening she can be re-tightening we can be re-tightening you can be re-tightening they can be re-tightening
Perfect	V-ing perfect
I can have re-tightened you can have re-tightened she can have re-tightened we can have re-tightened you can have re-tightened they can have re-tightened	I can have been re-tightening you can have been re-tightening she can have been re-tightening we can have been re-tightening you can have been re-tightening they can have been re-tightening

Negation

Simple form	V-ing form
I can't re-tighten you can't re-tighten she can't re-tighten we can't re-tighten you can't re-tighten they can't re-tighten	I can't be re-tightening you can't be re-tightening she can't be re-tightening we can't be re-tightening you can't be re-tightening they can't be re-tightening
Perfect	V-ing perfect
I can't have re-tightened you can't have re-tightened she can't have re-tightened we can't have re-tightened you can't have re-tightened they can't have re-tightened	I can't have been re-tightening you can't have been re-tightening she can't have been re-tightening we can't have been re-tightening you can't have been re-tightening they can't have been re-tightening

Interrogative form

Simple form	V-ing form
can I re-tighten? can you re-tighten? can she re-tighten? can we re-tighten? can you re-tighten? can they re-tighten?	can I be re-tightening? can you be re-tightening? can she be re-tightening? can we be re-tightening? can you be re-tightening? can they be re-tightening?
Perfect	V-ing perfect
can I have re-tightened? can you have re-tightened? can she have re-tightened? can we have re-tightened? can you have re-tightened? can they have re-tightened?	can I have been re-tightening? can you have been re-tightening? can she have been re-tightening? can we have been re-tightening? can you have been re-tightening? can they have been re-tightening?

Interro-negative form

Simple form	V-ing form
can't I re-tighten? can't you re-tighten? can't she re-tighten? can't we re-tighten? can't you re-tighten? can't they re-tighten?	can't I be re-tightening? can't you be re-tightening? can't she be re-tightening? can't we be re-tightening? can't you be re-tightening? can't they be re-tightening?
Perfect	V-ing perfect
can't I have re-tightened? can't you have re-tightened? can't she have re-tightened? can't we have re-tightened? can't you have re-tightened? can't they have re-tightened?	can't I have been re-tightening? can't you have been re-tightening? can't she have been re-tightening? can't we have been re-tightening? can't you have been re-tightening? can't they have been re-tightening?