English verb conjugation
COULD OVERHEAP

Regular verb: overheap - overheaped - overheaped

Affirmation

Simple form	V-ing form
I could overheap you could overheap she could overheap we could overheap you could overheap they could overheap	I could be overheaping you could be overheaping she could be overheaping we could be overheaping you could be overheaping they could be overheaping
Perfect	V-ing perfect
I could have overheaped you could have overheaped she could have overheaped we could have overheaped you could have overheaped they could have overheaped	I could have been overheaping you could have been overheaping she could have been overheaping we could have been overheaping you could have been overheaping they could have been overheaping

Negation

Simple form	V-ing form
I could not overheap you could not overheap she could not overheap we could not overheap you could not overheap they could not overheap	I could not be overheaping you could not be overheaping she could not be overheaping we could not be overheaping you could not be overheaping they could not be overheaping
Perfect	V-ing perfect
I could not have overheaped you could not have overheaped she could not have overheaped we could not have overheaped you could not have overheaped they could not have overheaped	I could not have been overheaping you could not have been overheaping she could not have been overheaping we could not have been overheaping you could not have been overheaping they could not have been overheaping

Interrogative form

Simple form	V-ing form
could I overheap? could you overheap? could she overheap? could we overheap? could you overheap? could they overheap?	could I be overheaping? could you be overheaping? could she be overheaping? could we be overheaping? could you be overheaping? could they be overheaping?
Perfect	V-ing perfect
could I have overheaped? could you have overheaped? could she have overheaped? could we have overheaped? could you have overheaped? could they have overheaped?	could I have been overheaping? could you have been overheaping? could she have been overheaping? could we have been overheaping? could you have been overheaping? could they have been overheaping?

Interro-negative form

Simple form	V-ing form
could I not overheap? could you not overheap? could she not overheap? could we not overheap? could you not overheap? could they not overheap?	could I not be overheaping? could you not be overheaping? could she not be overheaping? could we not be overheaping? could you not be overheaping? could they not be overheaping?
Perfect	V-ing perfect
could I not have overheaped? could you not have overheaped? could she not have overheaped? could we not have overheaped? could you not have overheaped? could they not have overheaped?	could I not have been overheaping? could you not have been overheaping? could she not have been overheaping? could we not have been overheaping? could you not have been overheaping? could they not have been overheaping?