can simper
Regular verb: simper - simpered- simpered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can simper
you can simper
she can simper
we can simper
you can simper
they can simper 	I can be simpering
you can be simpering
she can be simpering
we can be simpering
you can be simpering
they can be simpering	I can have simpered
you can have simpered
she can have simpered
we can have simpered
you can have simpered
they can have simpered	I can have been simpering
you can have been simpering
she can have been simpering
we can have been simpering
you can have been simpering
they can have been simpering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't simper
you can't simper
she can't simper
we can't simper
you can't simper
they can't simper 	I can't be simpering
you can't be simpering
she can't be simpering
we can't be simpering
you can't be simpering
they can't be simpering	I can't have simpered
you can't have simpered
she can't have simpered
we can't have simpered
you can't have simpered
they can't have simpered	I can't have been simpering
you can't have been simpering
she can't have been simpering
we can't have been simpering
you can't have been simpering
they can't have been simpering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I simper?
can you simper?
can she simper?
can we simper?
can you simper?
can they simper? 	can I be simpering?
can you be simpering?
can she be simpering?
can we be simpering?
can you be simpering?
can they be simpering? 	can I have simpered?
can you have simpered?
can she have simpered?
can we have simpered?
can you have simpered?
can they have simpered? 	can I have been simpering?
can you have been simpering?
can she have been simpering?
can we have been simpering?
can you have been simpering?
can they have been simpering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I simper?
can't you simper?
can't she simper?
can't we simper?
can't you simper?
can't they simper? 	can't I be simpering?
can't you be simpering?
can't she be simpering?
can't we be simpering?
can't you be simpering?
can't they be simpering? 	can't I have simpered?
can't you have simpered?
can't she have simpered?
can't we have simpered?
can't you have simpered?
can't they have simpered? 	can't I have been simpering?
can't you have been simpering?
can't she have been simpering?
can't we have been simpering?
can't you have been simpering?
can't they have been simpering?