can stroll
Regular verb: stroll - strolled- strolled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can stroll
you can stroll
she can stroll
we can stroll
you can stroll
they can stroll 	I can be strolling
you can be strolling
she can be strolling
we can be strolling
you can be strolling
they can be strolling	I can have strolled
you can have strolled
she can have strolled
we can have strolled
you can have strolled
they can have strolled	I can have been strolling
you can have been strolling
she can have been strolling
we can have been strolling
you can have been strolling
they can have been strolling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't stroll
you can't stroll
she can't stroll
we can't stroll
you can't stroll
they can't stroll 	I can't be strolling
you can't be strolling
she can't be strolling
we can't be strolling
you can't be strolling
they can't be strolling	I can't have strolled
you can't have strolled
she can't have strolled
we can't have strolled
you can't have strolled
they can't have strolled	I can't have been strolling
you can't have been strolling
she can't have been strolling
we can't have been strolling
you can't have been strolling
they can't have been strolling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I stroll?
can you stroll?
can she stroll?
can we stroll?
can you stroll?
can they stroll? 	can I be strolling?
can you be strolling?
can she be strolling?
can we be strolling?
can you be strolling?
can they be strolling? 	can I have strolled?
can you have strolled?
can she have strolled?
can we have strolled?
can you have strolled?
can they have strolled? 	can I have been strolling?
can you have been strolling?
can she have been strolling?
can we have been strolling?
can you have been strolling?
can they have been strolling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I stroll?
can't you stroll?
can't she stroll?
can't we stroll?
can't you stroll?
can't they stroll? 	can't I be strolling?
can't you be strolling?
can't she be strolling?
can't we be strolling?
can't you be strolling?
can't they be strolling? 	can't I have strolled?
can't you have strolled?
can't she have strolled?
can't we have strolled?
can't you have strolled?
can't they have strolled? 	can't I have been strolling?
can't you have been strolling?
can't she have been strolling?
can't we have been strolling?
can't you have been strolling?
can't they have been strolling?