could enlarge
Regular verb: enlarge - enlarged- enlarged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could enlarge
you could enlarge
she could enlarge
we could enlarge
you could enlarge
they could enlarge 	I could be enlarging
you could be enlarging
she could be enlarging
we could be enlarging
you could be enlarging
they could be enlarging	I could have enlarged
you could have enlarged
she could have enlarged
we could have enlarged
you could have enlarged
they could have enlarged	I could have been enlarging
you could have been enlarging
she could have been enlarging
we could have been enlarging
you could have been enlarging
they could have been enlarging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not enlarge
you could not enlarge
she could not enlarge
we could not enlarge
you could not enlarge
they could not enlarge 	I could not be enlarging
you could not be enlarging
she could not be enlarging
we could not be enlarging
you could not be enlarging
they could not be enlarging	I could not have enlarged
you could not have enlarged
she could not have enlarged
we could not have enlarged
you could not have enlarged
they could not have enlarged	I could not have been enlarging
you could not have been enlarging
she could not have been enlarging
we could not have been enlarging
you could not have been enlarging
they could not have been enlarging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I enlarge?
could you enlarge?
could she enlarge?
could we enlarge?
could you enlarge?
could they enlarge? 	could I be enlarging?
could you be enlarging?
could she be enlarging?
could we be enlarging?
could you be enlarging?
could they be enlarging? 	could I have enlarged?
could you have enlarged?
could she have enlarged?
could we have enlarged?
could you have enlarged?
could they have enlarged? 	could I have been enlarging?
could you have been enlarging?
could she have been enlarging?
could we have been enlarging?
could you have been enlarging?
could they have been enlarging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not enlarge?
could you not enlarge?
could she not enlarge?
could we not enlarge?
could you not enlarge?
could they not enlarge? 	could I not be enlarging?
could you not be enlarging?
could she not be enlarging?
could we not be enlarging?
could you not be enlarging?
could they not be enlarging? 	could I not have enlarged?
could you not have enlarged?
could she not have enlarged?
could we not have enlarged?
could you not have enlarged?
could they not have enlarged? 	could I not have been enlarging?
could you not have been enlarging?
could she not have been enlarging?
could we not have been enlarging?
could you not have been enlarging?
could they not have been enlarging?