could enclose
Regular verb: enclose - enclosed- enclosed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could enclose
you could enclose
he could enclose
we could enclose
you could enclose
they could enclose 	I could be enclosing
you could be enclosing
he could be enclosing
we could be enclosing
you could be enclosing
they could be enclosing	I could have enclosed
you could have enclosed
he could have enclosed
we could have enclosed
you could have enclosed
they could have enclosed	I could have been enclosing
you could have been enclosing
he could have been enclosing
we could have been enclosing
you could have been enclosing
they could have been enclosing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't enclose
you couldn't enclose
he couldn't enclose
we couldn't enclose
you couldn't enclose
they couldn't enclose 	I couldn't be enclosing
you couldn't be enclosing
he couldn't be enclosing
we couldn't be enclosing
you couldn't be enclosing
they couldn't be enclosing	I couldn't have enclosed
you couldn't have enclosed
he couldn't have enclosed
we couldn't have enclosed
you couldn't have enclosed
they couldn't have enclosed	I couldn't have been enclosing
you couldn't have been enclosing
he couldn't have been enclosing
we couldn't have been enclosing
you couldn't have been enclosing
they couldn't have been enclosing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I enclose?
could you enclose?
could he enclose?
could we enclose?
could you enclose?
could they enclose? 	could I be enclosing?
could you be enclosing?
could he be enclosing?
could we be enclosing?
could you be enclosing?
could they be enclosing? 	could I have enclosed?
could you have enclosed?
could he have enclosed?
could we have enclosed?
could you have enclosed?
could they have enclosed? 	could I have been enclosing?
could you have been enclosing?
could he have been enclosing?
could we have been enclosing?
could you have been enclosing?
could they have been enclosing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I enclose?
couldn't you enclose?
couldn't he enclose?
couldn't we enclose?
couldn't you enclose?
couldn't they enclose? 	couldn't I be enclosing?
couldn't you be enclosing?
couldn't he be enclosing?
couldn't we be enclosing?
couldn't you be enclosing?
couldn't they be enclosing? 	couldn't I have enclosed?
couldn't you have enclosed?
couldn't he have enclosed?
couldn't we have enclosed?
couldn't you have enclosed?
couldn't they have enclosed? 	couldn't I have been enclosing?
couldn't you have been enclosing?
couldn't he have been enclosing?
couldn't we have been enclosing?
couldn't you have been enclosing?
couldn't they have been enclosing?