English verb conjugation
COULD DIAPAUSE

Regular verb: diapause - diapaused - diapaused

Affirmation

Simple form	V-ing form
I could diapause you could diapause she could diapause we could diapause you could diapause they could diapause	I could be diapausing you could be diapausing she could be diapausing we could be diapausing you could be diapausing they could be diapausing
Perfect	V-ing perfect
I could have diapaused you could have diapaused she could have diapaused we could have diapaused you could have diapaused they could have diapaused	I could have been diapausing you could have been diapausing she could have been diapausing we could have been diapausing you could have been diapausing they could have been diapausing

Negation

Simple form	V-ing form
I could not diapause you could not diapause she could not diapause we could not diapause you could not diapause they could not diapause	I could not be diapausing you could not be diapausing she could not be diapausing we could not be diapausing you could not be diapausing they could not be diapausing
Perfect	V-ing perfect
I could not have diapaused you could not have diapaused she could not have diapaused we could not have diapaused you could not have diapaused they could not have diapaused	I could not have been diapausing you could not have been diapausing she could not have been diapausing we could not have been diapausing you could not have been diapausing they could not have been diapausing

Interrogative form

Simple form	V-ing form
could I diapause? could you diapause? could she diapause? could we diapause? could you diapause? could they diapause?	could I be diapausing? could you be diapausing? could she be diapausing? could we be diapausing? could you be diapausing? could they be diapausing?
Perfect	V-ing perfect
could I have diapaused? could you have diapaused? could she have diapaused? could we have diapaused? could you have diapaused? could they have diapaused?	could I have been diapausing? could you have been diapausing? could she have been diapausing? could we have been diapausing? could you have been diapausing? could they have been diapausing?

Interro-negative form

Simple form	V-ing form
could I not diapause? could you not diapause? could she not diapause? could we not diapause? could you not diapause? could they not diapause?	could I not be diapausing? could you not be diapausing? could she not be diapausing? could we not be diapausing? could you not be diapausing? could they not be diapausing?
Perfect	V-ing perfect
could I not have diapaused? could you not have diapaused? could she not have diapaused? could we not have diapaused? could you not have diapaused? could they not have diapaused?	could I not have been diapausing? could you not have been diapausing? could she not have been diapausing? could we not have been diapausing? could you not have been diapausing? could they not have been diapausing?