should plow
Regular verb: plow - plowed- plowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd plow
you'd plow
he'd plow
we'd plow
you'd plow
they'd plow 	I'd be plowing
you'd be plowing
he'd be plowing
we'd be plowing
you'd be plowing
they'd be plowing	I should've plowed
you should've plowed
he should've plowed
we should've plowed
you should've plowed
they should've plowed	I should've been plowing
you should've been plowing
he should've been plowing
we should've been plowing
you should've been plowing
they should've been plowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't plow
you shouldn't plow
he shouldn't plow
we shouldn't plow
you shouldn't plow
they shouldn't plow 	I shouldn't be plowing
you shouldn't be plowing
he shouldn't be plowing
we shouldn't be plowing
you shouldn't be plowing
they shouldn't be plowing	I shouldn't have plowed
you shouldn't have plowed
he shouldn't have plowed
we shouldn't have plowed
you shouldn't have plowed
they shouldn't have plowed	I shouldn't have been plowing
you shouldn't have been plowing
he shouldn't have been plowing
we shouldn't have been plowing
you shouldn't have been plowing
they shouldn't have been plowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I plow?
should you plow?
should he plow?
should we plow?
should you plow?
should they plow? 	should I be plowing?
should you be plowing?
should he be plowing?
should we be plowing?
should you be plowing?
should they be plowing? 	should I have plowed?
should you have plowed?
should he have plowed?
should we have plowed?
should you have plowed?
should they have plowed? 	should I have been plowing?
should you have been plowing?
should he have been plowing?
should we have been plowing?
should you have been plowing?
should they have been plowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I plow?
shouldn't you plow?
shouldn't he plow?
shouldn't we plow?
shouldn't you plow?
shouldn't they plow? 	shouldn't I be plowing?
shouldn't you be plowing?
shouldn't he be plowing?
shouldn't we be plowing?
shouldn't you be plowing?
shouldn't they be plowing? 	shouldn't I have plowed?
shouldn't you have plowed?
shouldn't he have plowed?
shouldn't we have plowed?
shouldn't you have plowed?
shouldn't they have plowed? 	shouldn't I have been plowing?
shouldn't you have been plowing?
shouldn't he have been plowing?
shouldn't we have been plowing?
shouldn't you have been plowing?
shouldn't they have been plowing?