can simple
Regular verb: simple - simpled- simpled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can simple
you can simple
she can simple
we can simple
you can simple
they can simple 	I can be simpling
you can be simpling
she can be simpling
we can be simpling
you can be simpling
they can be simpling	I can have simpled
you can have simpled
she can have simpled
we can have simpled
you can have simpled
they can have simpled	I can have been simpling
you can have been simpling
she can have been simpling
we can have been simpling
you can have been simpling
they can have been simpling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot simple
you cannot simple
she cannot simple
we cannot simple
you cannot simple
they cannot simple 	I cannot be simpling
you cannot be simpling
she cannot be simpling
we cannot be simpling
you cannot be simpling
they cannot be simpling	I cannot have simpled
you cannot have simpled
she cannot have simpled
we cannot have simpled
you cannot have simpled
they cannot have simpled	I cannot have been simpling
you cannot have been simpling
she cannot have been simpling
we cannot have been simpling
you cannot have been simpling
they cannot have been simpling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I simple?
can you simple?
can she simple?
can we simple?
can you simple?
can they simple? 	can I be simpling?
can you be simpling?
can she be simpling?
can we be simpling?
can you be simpling?
can they be simpling? 	can I have simpled?
can you have simpled?
can she have simpled?
can we have simpled?
can you have simpled?
can they have simpled? 	can I have been simpling?
can you have been simpling?
can she have been simpling?
can we have been simpling?
can you have been simpling?
can they have been simpling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not simple?
can you not simple?
can she not simple?
can we not simple?
can you not simple?
can they not simple? 	can I not be simpling?
can you not be simpling?
can she not be simpling?
can we not be simpling?
can you not be simpling?
can they not be simpling? 	can I not have simpled?
can you not have simpled?
can she not have simpled?
can we not have simpled?
can you not have simpled?
can they not have simpled? 	can I not have been simpling?
can you not have been simpling?
can she not have been simpling?
can we not have been simpling?
can you not have been simpling?
can they not have been simpling?