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 cannot re-tighten you cannot re-tighten she cannot re-tighten we cannot re-tighten you cannot re-tighten they cannot re-tighten	I cannot be re-tightening you cannot be re-tightening she cannot be re-tightening we cannot be re-tightening you cannot be re-tightening they cannot be re-tightening
Perfect	V-ing perfect
I cannot have re-tightened you cannot have re-tightened she cannot have re-tightened we cannot have re-tightened you cannot have re-tightened they cannot have re-tightened	I cannot have been re-tightening you cannot have been re-tightening she cannot have been re-tightening we cannot have been re-tightening you cannot have been re-tightening they cannot 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 I not re-tighten? can you not re-tighten? can she not re-tighten? can we not re-tighten? can you not re-tighten? can they not re-tighten?	can I not be re-tightening? can you not be re-tightening? can she not be re-tightening? can we not be re-tightening? can you not be re-tightening? can they not be re-tightening?
Perfect	V-ing perfect
can I not have re-tightened? can you not have re-tightened? can she not have re-tightened? can we not have re-tightened? can you not have re-tightened? can they not have re-tightened?	can I not have been re-tightening? can you not have been re-tightening? can she not have been re-tightening? can we not have been re-tightening? can you not have been re-tightening? can they not have been re-tightening?