could juxtapose
Regular verb: juxtapose - juxtaposed- juxtaposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could juxtapose
you could juxtapose
she could juxtapose
we could juxtapose
you could juxtapose
they could juxtapose 	I could be juxtaposing
you could be juxtaposing
she could be juxtaposing
we could be juxtaposing
you could be juxtaposing
they could be juxtaposing	I could have juxtaposed
you could have juxtaposed
she could have juxtaposed
we could have juxtaposed
you could have juxtaposed
they could have juxtaposed	I could have been juxtaposing
you could have been juxtaposing
she could have been juxtaposing
we could have been juxtaposing
you could have been juxtaposing
they could have been juxtaposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't juxtapose
you couldn't juxtapose
she couldn't juxtapose
we couldn't juxtapose
you couldn't juxtapose
they couldn't juxtapose 	I couldn't be juxtaposing
you couldn't be juxtaposing
she couldn't be juxtaposing
we couldn't be juxtaposing
you couldn't be juxtaposing
they couldn't be juxtaposing	I couldn't have juxtaposed
you couldn't have juxtaposed
she couldn't have juxtaposed
we couldn't have juxtaposed
you couldn't have juxtaposed
they couldn't have juxtaposed	I couldn't have been juxtaposing
you couldn't have been juxtaposing
she couldn't have been juxtaposing
we couldn't have been juxtaposing
you couldn't have been juxtaposing
they couldn't have been juxtaposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I juxtapose?
could you juxtapose?
could she juxtapose?
could we juxtapose?
could you juxtapose?
could they juxtapose? 	could I be juxtaposing?
could you be juxtaposing?
could she be juxtaposing?
could we be juxtaposing?
could you be juxtaposing?
could they be juxtaposing? 	could I have juxtaposed?
could you have juxtaposed?
could she have juxtaposed?
could we have juxtaposed?
could you have juxtaposed?
could they have juxtaposed? 	could I have been juxtaposing?
could you have been juxtaposing?
could she have been juxtaposing?
could we have been juxtaposing?
could you have been juxtaposing?
could they have been juxtaposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I juxtapose?
couldn't you juxtapose?
couldn't she juxtapose?
couldn't we juxtapose?
couldn't you juxtapose?
couldn't they juxtapose? 	couldn't I be juxtaposing?
couldn't you be juxtaposing?
couldn't she be juxtaposing?
couldn't we be juxtaposing?
couldn't you be juxtaposing?
couldn't they be juxtaposing? 	couldn't I have juxtaposed?
couldn't you have juxtaposed?
couldn't she have juxtaposed?
couldn't we have juxtaposed?
couldn't you have juxtaposed?
couldn't they have juxtaposed? 	couldn't I have been juxtaposing?
couldn't you have been juxtaposing?
couldn't she have been juxtaposing?
couldn't we have been juxtaposing?
couldn't you have been juxtaposing?
couldn't they have been juxtaposing?