I should saw you should saw he should saw we should saw you should saw they should saw
V-ing form
I should be sawing you should be sawing he should be sawing we should be sawing you should be sawing they should be sawing
Perfect
I should have sawed, sawn you should have sawed, sawn he should have sawed, sawn we should have sawed, sawn you should have sawed, sawn they should have sawed, sawn
V-ing perfect
I should have been sawing you should have been sawing he should have been sawing we should have been sawing you should have been sawing they should have been sawing
Negation
Simple form
I should not saw you should not saw he should not saw we should not saw you should not saw they should not saw
V-ing form
I should not be sawing you should not be sawing he should not be sawing we should not be sawing you should not be sawing they should not be sawing
Perfect
I should not have sawed, sawn you should not have sawed, sawn he should not have sawed, sawn we should not have sawed, sawn you should not have sawed, sawn they should not have sawed, sawn
V-ing perfect
I should not have been sawing you should not have been sawing he should not have been sawing we should not have been sawing you should not have been sawing they should not 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
should I not saw? should you not saw? should he not saw? should we not saw? should you not saw? should they not saw?
V-ing form
should I not be sawing? should you not be sawing? should he not be sawing? should we not be sawing? should you not be sawing? should they not be sawing?
Perfect
should I not have sawed, sawn? should you not have sawed, sawn? should he not have sawed, sawn? should we not have sawed, sawn? should you not have sawed, sawn? should they not have sawed, sawn?
V-ing perfect
should I not have been sawing? should you not have been sawing? should he not have been sawing? should we not have been sawing? should you not have been sawing? should they not have been sawing?