can stroke
Regular verb: stroke - stroked- stroked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can stroke
you can stroke
she can stroke
we can stroke
you can stroke
they can stroke 	I can be stroking
you can be stroking
she can be stroking
we can be stroking
you can be stroking
they can be stroking	I can have stroked
you can have stroked
she can have stroked
we can have stroked
you can have stroked
they can have stroked	I can have been stroking
you can have been stroking
she can have been stroking
we can have been stroking
you can have been stroking
they can have been stroking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't stroke
you can't stroke
she can't stroke
we can't stroke
you can't stroke
they can't stroke 	I can't be stroking
you can't be stroking
she can't be stroking
we can't be stroking
you can't be stroking
they can't be stroking	I can't have stroked
you can't have stroked
she can't have stroked
we can't have stroked
you can't have stroked
they can't have stroked	I can't have been stroking
you can't have been stroking
she can't have been stroking
we can't have been stroking
you can't have been stroking
they can't have been stroking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I stroke?
can you stroke?
can she stroke?
can we stroke?
can you stroke?
can they stroke? 	can I be stroking?
can you be stroking?
can she be stroking?
can we be stroking?
can you be stroking?
can they be stroking? 	can I have stroked?
can you have stroked?
can she have stroked?
can we have stroked?
can you have stroked?
can they have stroked? 	can I have been stroking?
can you have been stroking?
can she have been stroking?
can we have been stroking?
can you have been stroking?
can they have been stroking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I stroke?
can't you stroke?
can't she stroke?
can't we stroke?
can't you stroke?
can't they stroke? 	can't I be stroking?
can't you be stroking?
can't she be stroking?
can't we be stroking?
can't you be stroking?
can't they be stroking? 	can't I have stroked?
can't you have stroked?
can't she have stroked?
can't we have stroked?
can't you have stroked?
can't they have stroked? 	can't I have been stroking?
can't you have been stroking?
can't she have been stroking?
can't we have been stroking?
can't you have been stroking?
can't they have been stroking?