can contain
Regular verb: contain - contained- contained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can contain
you can contain
he can contain
we can contain
you can contain
they can contain 	I can be containing
you can be containing
he can be containing
we can be containing
you can be containing
they can be containing	I can have contained
you can have contained
he can have contained
we can have contained
you can have contained
they can have contained	I can have been containing
you can have been containing
he can have been containing
we can have been containing
you can have been containing
they can have been containing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't contain
you can't contain
he can't contain
we can't contain
you can't contain
they can't contain 	I can't be containing
you can't be containing
he can't be containing
we can't be containing
you can't be containing
they can't be containing	I can't have contained
you can't have contained
he can't have contained
we can't have contained
you can't have contained
they can't have contained	I can't have been containing
you can't have been containing
he can't have been containing
we can't have been containing
you can't have been containing
they can't have been containing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I contain?
can you contain?
can he contain?
can we contain?
can you contain?
can they contain? 	can I be containing?
can you be containing?
can he be containing?
can we be containing?
can you be containing?
can they be containing? 	can I have contained?
can you have contained?
can he have contained?
can we have contained?
can you have contained?
can they have contained? 	can I have been containing?
can you have been containing?
can he have been containing?
can we have been containing?
can you have been containing?
can they have been containing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I contain?
can't you contain?
can't he contain?
can't we contain?
can't you contain?
can't they contain? 	can't I be containing?
can't you be containing?
can't he be containing?
can't we be containing?
can't you be containing?
can't they be containing? 	can't I have contained?
can't you have contained?
can't he have contained?
can't we have contained?
can't you have contained?
can't they have contained? 	can't I have been containing?
can't you have been containing?
can't he have been containing?
can't we have been containing?
can't you have been containing?
can't they have been containing?