should erase
Regular verb: erase - erased- erased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd erase
you'd erase
she'd erase
we'd erase
you'd erase
they'd erase 	I'd be erasing
you'd be erasing
she'd be erasing
we'd be erasing
you'd be erasing
they'd be erasing	I should've erased
you should've erased
she should've erased
we should've erased
you should've erased
they should've erased	I should've been erasing
you should've been erasing
she should've been erasing
we should've been erasing
you should've been erasing
they should've been erasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't erase
you shouldn't erase
she shouldn't erase
we shouldn't erase
you shouldn't erase
they shouldn't erase 	I shouldn't be erasing
you shouldn't be erasing
she shouldn't be erasing
we shouldn't be erasing
you shouldn't be erasing
they shouldn't be erasing	I shouldn't have erased
you shouldn't have erased
she shouldn't have erased
we shouldn't have erased
you shouldn't have erased
they shouldn't have erased	I shouldn't have been erasing
you shouldn't have been erasing
she shouldn't have been erasing
we shouldn't have been erasing
you shouldn't have been erasing
they shouldn't have been erasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I erase?
should you erase?
should she erase?
should we erase?
should you erase?
should they erase? 	should I be erasing?
should you be erasing?
should she be erasing?
should we be erasing?
should you be erasing?
should they be erasing? 	should I have erased?
should you have erased?
should she have erased?
should we have erased?
should you have erased?
should they have erased? 	should I have been erasing?
should you have been erasing?
should she have been erasing?
should we have been erasing?
should you have been erasing?
should they have been erasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I erase?
shouldn't you erase?
shouldn't she erase?
shouldn't we erase?
shouldn't you erase?
shouldn't they erase? 	shouldn't I be erasing?
shouldn't you be erasing?
shouldn't she be erasing?
shouldn't we be erasing?
shouldn't you be erasing?
shouldn't they be erasing? 	shouldn't I have erased?
shouldn't you have erased?
shouldn't she have erased?
shouldn't we have erased?
shouldn't you have erased?
shouldn't they have erased? 	shouldn't I have been erasing?
shouldn't you have been erasing?
shouldn't she have been erasing?
shouldn't we have been erasing?
shouldn't you have been erasing?
shouldn't they have been erasing?