could insist
Regular verb: insist - insisted- insisted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could insist
you could insist
she could insist
we could insist
you could insist
they could insist 	I could be insisting
you could be insisting
she could be insisting
we could be insisting
you could be insisting
they could be insisting	I could have insisted
you could have insisted
she 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
she 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 couldn't insist
you couldn't insist
she couldn't insist
we couldn't insist
you couldn't insist
they couldn't insist 	I couldn't be insisting
you couldn't be insisting
she couldn't be insisting
we couldn't be insisting
you couldn't be insisting
they couldn't be insisting	I couldn't have insisted
you couldn't have insisted
she couldn't have insisted
we couldn't have insisted
you couldn't have insisted
they couldn't have insisted	I couldn't have been insisting
you couldn't have been insisting
she couldn't have been insisting
we couldn't have been insisting
you couldn't have been insisting
they couldn't have been insisting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I insist?
could you insist?
could she insist?
could we insist?
could you insist?
could they insist? 	could I be insisting?
could you be insisting?
could she be insisting?
could we be insisting?
could you be insisting?
could they be insisting? 	could I have insisted?
could you have insisted?
could she 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 she 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 	
couldn't I insist?
couldn't you insist?
couldn't she insist?
couldn't we insist?
couldn't you insist?
couldn't they insist? 	couldn't I be insisting?
couldn't you be insisting?
couldn't she be insisting?
couldn't we be insisting?
couldn't you be insisting?
couldn't they be insisting? 	couldn't I have insisted?
couldn't you have insisted?
couldn't she have insisted?
couldn't we have insisted?
couldn't you have insisted?
couldn't they have insisted? 	couldn't I have been insisting?
couldn't you have been insisting?
couldn't she have been insisting?
couldn't we have been insisting?
couldn't you have been insisting?
couldn't they have been insisting?