should read
Irregular verb: read - read- read

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd read
you'd read
he'd read
we'd read
you'd read
they'd read 	I'd be reading
you'd be reading
he'd be reading
we'd be reading
you'd be reading
they'd be reading	I should've read
you should've read
he should've read
we should've read
you should've read
they should've read	I should've been reading
you should've been reading
he should've been reading
we should've been reading
you should've been reading
they should've been reading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't read
you shouldn't read
he shouldn't read
we shouldn't read
you shouldn't read
they shouldn't read 	I shouldn't be reading
you shouldn't be reading
he shouldn't be reading
we shouldn't be reading
you shouldn't be reading
they shouldn't be reading	I shouldn't have read
you shouldn't have read
he shouldn't have read
we shouldn't have read
you shouldn't have read
they shouldn't have read	I shouldn't have been reading
you shouldn't have been reading
he shouldn't have been reading
we shouldn't have been reading
you shouldn't have been reading
they shouldn't have been reading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I read?
should you read?
should he read?
should we read?
should you read?
should they read? 	should I be reading?
should you be reading?
should he be reading?
should we be reading?
should you be reading?
should they be reading? 	should I have read?
should you have read?
should he have read?
should we have read?
should you have read?
should they have read? 	should I have been reading?
should you have been reading?
should he have been reading?
should we have been reading?
should you have been reading?
should they have been reading? 	

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