English verb conjugation
COULD CHORTLE

Regular verb: chortle - chortled - chortled

Affirmation

Simple form	V-ing form
I could chortle you could chortle he could chortle we could chortle you could chortle they could chortle	I could be chortling you could be chortling he could be chortling we could be chortling you could be chortling they could be chortling
Perfect	V-ing perfect
I could have chortled you could have chortled he could have chortled we could have chortled you could have chortled they could have chortled	I could have been chortling you could have been chortling he could have been chortling we could have been chortling you could have been chortling they could have been chortling

Negation

Simple form	V-ing form
I could not chortle you could not chortle he could not chortle we could not chortle you could not chortle they could not chortle	I could not be chortling you could not be chortling he could not be chortling we could not be chortling you could not be chortling they could not be chortling
Perfect	V-ing perfect
I could not have chortled you could not have chortled he could not have chortled we could not have chortled you could not have chortled they could not have chortled	I could not have been chortling you could not have been chortling he could not have been chortling we could not have been chortling you could not have been chortling they could not have been chortling

Interrogative form

Simple form	V-ing form
could I chortle? could you chortle? could he chortle? could we chortle? could you chortle? could they chortle?	could I be chortling? could you be chortling? could he be chortling? could we be chortling? could you be chortling? could they be chortling?
Perfect	V-ing perfect
could I have chortled? could you have chortled? could he have chortled? could we have chortled? could you have chortled? could they have chortled?	could I have been chortling? could you have been chortling? could he have been chortling? could we have been chortling? could you have been chortling? could they have been chortling?

Interro-negative form

Simple form	V-ing form
could I not chortle? could you not chortle? could he not chortle? could we not chortle? could you not chortle? could they not chortle?	could I not be chortling? could you not be chortling? could he not be chortling? could we not be chortling? could you not be chortling? could they not be chortling?
Perfect	V-ing perfect
could I not have chortled? could you not have chortled? could he not have chortled? could we not have chortled? could you not have chortled? could they not have chortled?	could I not have been chortling? could you not have been chortling? could he not have been chortling? could we not have been chortling? could you not have been chortling? could they not have been chortling?