could insist
Regular verb: insist - insisted- insisted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could insist
you could insist
he could insist
we could insist
you could insist
they could insist 	I could be insisting
you could be insisting
he could be insisting
we could be insisting
you could be insisting
they could be insisting	I could have insisted
you could have insisted
he could have insisted
we could have insisted
you could have insisted
they could have insisted	I could have been insisting
you could have been insisting
he could have been insisting
we could have been insisting
you could have been insisting
they could have been insisting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not insist
you could not insist
he could not insist
we could not insist
you could not insist
they could not insist 	I could not be insisting
you could not be insisting
he could not be insisting
we could not be insisting
you could not be insisting
they could not be insisting	I could not have insisted
you could not have insisted
he could not have insisted
we could not have insisted
you could not have insisted
they could not have insisted	I could not have been insisting
you could not have been insisting
he could not have been insisting
we could not have been insisting
you could not have been insisting
they could not have been insisting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I insist?
could you insist?
could he insist?
could we insist?
could you insist?
could they insist? 	could I be insisting?
could you be insisting?
could he be insisting?
could we be insisting?
could you be insisting?
could they be insisting? 	could I have insisted?
could you have insisted?
could he have insisted?
could we have insisted?
could you have insisted?
could they have insisted? 	could I have been insisting?
could you have been insisting?
could he have been insisting?
could we have been insisting?
could you have been insisting?
could they have been insisting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not insist?
could you not insist?
could he not insist?
could we not insist?
could you not insist?
could they not insist? 	could I not be insisting?
could you not be insisting?
could he not be insisting?
could we not be insisting?
could you not be insisting?
could they not be insisting? 	could I not have insisted?
could you not have insisted?
could he not have insisted?
could we not have insisted?
could you not have insisted?
could they not have insisted? 	could I not have been insisting?
could you not have been insisting?
could he not have been insisting?
could we not have been insisting?
could you not have been insisting?
could they not have been insisting?