should park
Regular verb: park - parked- parked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd park
you'd park
she'd park
we'd park
you'd park
they'd park 	I'd be parking
you'd be parking
she'd be parking
we'd be parking
you'd be parking
they'd be parking	I should've parked
you should've parked
she should've parked
we should've parked
you should've parked
they should've parked	I should've been parking
you should've been parking
she should've been parking
we should've been parking
you should've been parking
they should've been parking	

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

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

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