should block
Regular verb: block - blocked- blocked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd block
you'd block
he'd block
we'd block
you'd block
they'd block 	I'd be blocking
you'd be blocking
he'd be blocking
we'd be blocking
you'd be blocking
they'd be blocking	I should've blocked
you should've blocked
he should've blocked
we should've blocked
you should've blocked
they should've blocked	I should've been blocking
you should've been blocking
he should've been blocking
we should've been blocking
you should've been blocking
they should've been blocking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't block
you shouldn't block
he shouldn't block
we shouldn't block
you shouldn't block
they shouldn't block 	I shouldn't be blocking
you shouldn't be blocking
he shouldn't be blocking
we shouldn't be blocking
you shouldn't be blocking
they shouldn't be blocking	I shouldn't have blocked
you shouldn't have blocked
he shouldn't have blocked
we shouldn't have blocked
you shouldn't have blocked
they shouldn't have blocked	I shouldn't have been blocking
you shouldn't have been blocking
he shouldn't have been blocking
we shouldn't have been blocking
you shouldn't have been blocking
they shouldn't have been blocking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I block?
should you block?
should he block?
should we block?
should you block?
should they block? 	should I be blocking?
should you be blocking?
should he be blocking?
should we be blocking?
should you be blocking?
should they be blocking? 	should I have blocked?
should you have blocked?
should he have blocked?
should we have blocked?
should you have blocked?
should they have blocked? 	should I have been blocking?
should you have been blocking?
should he have been blocking?
should we have been blocking?
should you have been blocking?
should they have been blocking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I block?
shouldn't you block?
shouldn't he block?
shouldn't we block?
shouldn't you block?
shouldn't they block? 	shouldn't I be blocking?
shouldn't you be blocking?
shouldn't he be blocking?
shouldn't we be blocking?
shouldn't you be blocking?
shouldn't they be blocking? 	shouldn't I have blocked?
shouldn't you have blocked?
shouldn't he have blocked?
shouldn't we have blocked?
shouldn't you have blocked?
shouldn't they have blocked? 	shouldn't I have been blocking?
shouldn't you have been blocking?
shouldn't he have been blocking?
shouldn't we have been blocking?
shouldn't you have been blocking?
shouldn't they have been blocking?