can park
Regular verb: park - parked- parked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can park
you can park
she can park
we can park
you can park
they can park 	I can be parking
you can be parking
she can be parking
we can be parking
you can be parking
they can be parking	I can have parked
you can have parked
she can have parked
we can have parked
you can have parked
they can have parked	I can have been parking
you can have been parking
she can have been parking
we can have been parking
you can have been parking
they can have been parking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't park
you can't park
she can't park
we can't park
you can't park
they can't park 	I can't be parking
you can't be parking
she can't be parking
we can't be parking
you can't be parking
they can't be parking	I can't have parked
you can't have parked
she can't have parked
we can't have parked
you can't have parked
they can't have parked	I can't have been parking
you can't have been parking
she can't have been parking
we can't have been parking
you can't have been parking
they can't have been parking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I park?
can you park?
can she park?
can we park?
can you park?
can they park? 	can I be parking?
can you be parking?
can she be parking?
can we be parking?
can you be parking?
can they be parking? 	can I have parked?
can you have parked?
can she have parked?
can we have parked?
can you have parked?
can they have parked? 	can I have been parking?
can you have been parking?
can she have been parking?
can we have been parking?
can you have been parking?
can they have been parking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I park?
can't you park?
can't she park?
can't we park?
can't you park?
can't they park? 	can't I be parking?
can't you be parking?
can't she be parking?
can't we be parking?
can't you be parking?
can't they be parking? 	can't I have parked?
can't you have parked?
can't she have parked?
can't we have parked?
can't you have parked?
can't they have parked? 	can't I have been parking?
can't you have been parking?
can't she have been parking?
can't we have been parking?
can't you have been parking?
can't they have been parking?