can pop
Regular verb: pop - popped- popped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can pop
you can pop
she can pop
we can pop
you can pop
they can pop 	I can be popping
you can be popping
she can be popping
we can be popping
you can be popping
they can be popping	I can have popped
you can have popped
she can have popped
we can have popped
you can have popped
they can have popped	I can have been popping
you can have been popping
she can have been popping
we can have been popping
you can have been popping
they can have been popping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't pop
you can't pop
she can't pop
we can't pop
you can't pop
they can't pop 	I can't be popping
you can't be popping
she can't be popping
we can't be popping
you can't be popping
they can't be popping	I can't have popped
you can't have popped
she can't have popped
we can't have popped
you can't have popped
they can't have popped	I can't have been popping
you can't have been popping
she can't have been popping
we can't have been popping
you can't have been popping
they can't have been popping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I pop?
can you pop?
can she pop?
can we pop?
can you pop?
can they pop? 	can I be popping?
can you be popping?
can she be popping?
can we be popping?
can you be popping?
can they be popping? 	can I have popped?
can you have popped?
can she have popped?
can we have popped?
can you have popped?
can they have popped? 	can I have been popping?
can you have been popping?
can she have been popping?
can we have been popping?
can you have been popping?
can they have been popping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I pop?
can't you pop?
can't she pop?
can't we pop?
can't you pop?
can't they pop? 	can't I be popping?
can't you be popping?
can't she be popping?
can't we be popping?
can't you be popping?
can't they be popping? 	can't I have popped?
can't you have popped?
can't she have popped?
can't we have popped?
can't you have popped?
can't they have popped? 	can't I have been popping?
can't you have been popping?
can't she have been popping?
can't we have been popping?
can't you have been popping?
can't they have been popping?