I could interpermeate you could interpermeate she could interpermeate we could interpermeate you could interpermeate they could interpermeate
V-ing form
I could be interpermeating you could be interpermeating she could be interpermeating we could be interpermeating you could be interpermeating they could be interpermeating
Perfect
I could have interpermeated you could have interpermeated she could have interpermeated we could have interpermeated you could have interpermeated they could have interpermeated
V-ing perfect
I could have been interpermeating you could have been interpermeating she could have been interpermeating we could have been interpermeating you could have been interpermeating they could have been interpermeating
Negation
Simple form
I could not interpermeate you could not interpermeate she could not interpermeate we could not interpermeate you could not interpermeate they could not interpermeate
V-ing form
I could not be interpermeating you could not be interpermeating she could not be interpermeating we could not be interpermeating you could not be interpermeating they could not be interpermeating
Perfect
I could not have interpermeated you could not have interpermeated she could not have interpermeated we could not have interpermeated you could not have interpermeated they could not have interpermeated
V-ing perfect
I could not have been interpermeating you could not have been interpermeating she could not have been interpermeating we could not have been interpermeating you could not have been interpermeating they could not have been interpermeating
Interrogative form
Simple form
could I interpermeate? could you interpermeate? could she interpermeate? could we interpermeate? could you interpermeate? could they interpermeate?
V-ing form
could I be interpermeating? could you be interpermeating? could she be interpermeating? could we be interpermeating? could you be interpermeating? could they be interpermeating?
Perfect
could I have interpermeated? could you have interpermeated? could she have interpermeated? could we have interpermeated? could you have interpermeated? could they have interpermeated?
V-ing perfect
could I have been interpermeating? could you have been interpermeating? could she have been interpermeating? could we have been interpermeating? could you have been interpermeating? could they have been interpermeating?
Interro-negative form
Simple form
could I not interpermeate? could you not interpermeate? could she not interpermeate? could we not interpermeate? could you not interpermeate? could they not interpermeate?
V-ing form
could I not be interpermeating? could you not be interpermeating? could she not be interpermeating? could we not be interpermeating? could you not be interpermeating? could they not be interpermeating?
Perfect
could I not have interpermeated? could you not have interpermeated? could she not have interpermeated? could we not have interpermeated? could you not have interpermeated? could they not have interpermeated?
V-ing perfect
could I not have been interpermeating? could you not have been interpermeating? could she not have been interpermeating? could we not have been interpermeating? could you not have been interpermeating? could they not have been interpermeating?