I should smother you should smother she should smother we should smother you should smother they should smother
V-ing form
I should be smothering you should be smothering she should be smothering we should be smothering you should be smothering they should be smothering
Perfect
I should have smothered you should have smothered she should have smothered we should have smothered you should have smothered they should have smothered
V-ing perfect
I should have been smothering you should have been smothering she should have been smothering we should have been smothering you should have been smothering they should have been smothering
Negation
Simple form
I should not smother you should not smother she should not smother we should not smother you should not smother they should not smother
V-ing form
I should not be smothering you should not be smothering she should not be smothering we should not be smothering you should not be smothering they should not be smothering
Perfect
I should not have smothered you should not have smothered she should not have smothered we should not have smothered you should not have smothered they should not have smothered
V-ing perfect
I should not have been smothering you should not have been smothering she should not have been smothering we should not have been smothering you should not have been smothering they should not have been smothering
Interrogative form
Simple form
should I smother? should you smother? should she smother? should we smother? should you smother? should they smother?
V-ing form
should I be smothering? should you be smothering? should she be smothering? should we be smothering? should you be smothering? should they be smothering?
Perfect
should I have smothered? should you have smothered? should she have smothered? should we have smothered? should you have smothered? should they have smothered?
V-ing perfect
should I have been smothering? should you have been smothering? should she have been smothering? should we have been smothering? should you have been smothering? should they have been smothering?
Interro-negative form
Simple form
should I not smother? should you not smother? should she not smother? should we not smother? should you not smother? should they not smother?
V-ing form
should I not be smothering? should you not be smothering? should she not be smothering? should we not be smothering? should you not be smothering? should they not be smothering?
Perfect
should I not have smothered? should you not have smothered? should she not have smothered? should we not have smothered? should you not have smothered? should they not have smothered?
V-ing perfect
should I not have been smothering? should you not have been smothering? should she not have been smothering? should we not have been smothering? should you not have been smothering? should they not have been smothering?