can chain
Regular verb: chain - chained- chained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can chain
you can chain
she can chain
we can chain
you can chain
they can chain 	I can be chaining
you can be chaining
she can be chaining
we can be chaining
you can be chaining
they can be chaining	I can have chained
you can have chained
she can have chained
we can have chained
you can have chained
they can have chained	I can have been chaining
you can have been chaining
she can have been chaining
we can have been chaining
you can have been chaining
they can have been chaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't chain
you can't chain
she can't chain
we can't chain
you can't chain
they can't chain 	I can't be chaining
you can't be chaining
she can't be chaining
we can't be chaining
you can't be chaining
they can't be chaining	I can't have chained
you can't have chained
she can't have chained
we can't have chained
you can't have chained
they can't have chained	I can't have been chaining
you can't have been chaining
she can't have been chaining
we can't have been chaining
you can't have been chaining
they can't have been chaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I chain?
can you chain?
can she chain?
can we chain?
can you chain?
can they chain? 	can I be chaining?
can you be chaining?
can she be chaining?
can we be chaining?
can you be chaining?
can they be chaining? 	can I have chained?
can you have chained?
can she have chained?
can we have chained?
can you have chained?
can they have chained? 	can I have been chaining?
can you have been chaining?
can she have been chaining?
can we have been chaining?
can you have been chaining?
can they have been chaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I chain?
can't you chain?
can't she chain?
can't we chain?
can't you chain?
can't they chain? 	can't I be chaining?
can't you be chaining?
can't she be chaining?
can't we be chaining?
can't you be chaining?
can't they be chaining? 	can't I have chained?
can't you have chained?
can't she have chained?
can't we have chained?
can't you have chained?
can't they have chained? 	can't I have been chaining?
can't you have been chaining?
can't she have been chaining?
can't we have been chaining?
can't you have been chaining?
can't they have been chaining?