I'd be sawing you'd be sawing he'd be sawing we'd be sawing you'd be sawing they'd be sawing
Perfect
I should've sawed, sawn you should've sawed, sawn he should've sawed, sawn we should've sawed, sawn you should've sawed, sawn they should've sawed, sawn
V-ing perfect
I should've been sawing you should've been sawing he should've been sawing we should've been sawing you should've been sawing they should've been sawing
Negation
Simple form
I shouldn't saw you shouldn't saw he shouldn't saw we shouldn't saw you shouldn't saw they shouldn't saw
V-ing form
I shouldn't be sawing you shouldn't be sawing he shouldn't be sawing we shouldn't be sawing you shouldn't be sawing they shouldn't be sawing
Perfect
I shouldn't have sawed, sawn you shouldn't have sawed, sawn he shouldn't have sawed, sawn we shouldn't have sawed, sawn you shouldn't have sawed, sawn they shouldn't have sawed, sawn
V-ing perfect
I shouldn't have been sawing you shouldn't have been sawing he shouldn't have been sawing we shouldn't have been sawing you shouldn't have been sawing they shouldn't have been sawing
Interrogative form
Simple form
should I saw? should you saw? should he saw? should we saw? should you saw? should they saw?
V-ing form
should I be sawing? should you be sawing? should he be sawing? should we be sawing? should you be sawing? should they be sawing?
Perfect
should I have sawed, sawn? should you have sawed, sawn? should he have sawed, sawn? should we have sawed, sawn? should you have sawed, sawn? should they have sawed, sawn?
V-ing perfect
should I have been sawing? should you have been sawing? should he have been sawing? should we have been sawing? should you have been sawing? should they have been sawing?
Interro-negative form
Simple form
shouldn't I saw? shouldn't you saw? shouldn't he saw? shouldn't we saw? shouldn't you saw? shouldn't they saw?
V-ing form
shouldn't I be sawing? shouldn't you be sawing? shouldn't he be sawing? shouldn't we be sawing? shouldn't you be sawing? shouldn't they be sawing?
Perfect
shouldn't I have sawed, sawn? shouldn't you have sawed, sawn? shouldn't he have sawed, sawn? shouldn't we have sawed, sawn? shouldn't you have sawed, sawn? shouldn't they have sawed, sawn?
V-ing perfect
shouldn't I have been sawing? shouldn't you have been sawing? shouldn't he have been sawing? shouldn't we have been sawing? shouldn't you have been sawing? shouldn't they have been sawing?