I should waddle you should waddle he should waddle we should waddle you should waddle they should waddle
V-ing form
I should be waddling you should be waddling he should be waddling we should be waddling you should be waddling they should be waddling
Perfect
I should have waddled you should have waddled he should have waddled we should have waddled you should have waddled they should have waddled
V-ing perfect
I should have been waddling you should have been waddling he should have been waddling we should have been waddling you should have been waddling they should have been waddling
Negation
Simple form
I should not waddle you should not waddle he should not waddle we should not waddle you should not waddle they should not waddle
V-ing form
I should not be waddling you should not be waddling he should not be waddling we should not be waddling you should not be waddling they should not be waddling
Perfect
I should not have waddled you should not have waddled he should not have waddled we should not have waddled you should not have waddled they should not have waddled
V-ing perfect
I should not have been waddling you should not have been waddling he should not have been waddling we should not have been waddling you should not have been waddling they should not have been waddling
Interrogative form
Simple form
should I waddle? should you waddle? should he waddle? should we waddle? should you waddle? should they waddle?
V-ing form
should I be waddling? should you be waddling? should he be waddling? should we be waddling? should you be waddling? should they be waddling?
Perfect
should I have waddled? should you have waddled? should he have waddled? should we have waddled? should you have waddled? should they have waddled?
V-ing perfect
should I have been waddling? should you have been waddling? should he have been waddling? should we have been waddling? should you have been waddling? should they have been waddling?
Interro-negative form
Simple form
should I not waddle? should you not waddle? should he not waddle? should we not waddle? should you not waddle? should they not waddle?
V-ing form
should I not be waddling? should you not be waddling? should he not be waddling? should we not be waddling? should you not be waddling? should they not be waddling?
Perfect
should I not have waddled? should you not have waddled? should he not have waddled? should we not have waddled? should you not have waddled? should they not have waddled?
V-ing perfect
should I not have been waddling? should you not have been waddling? should he not have been waddling? should we not have been waddling? should you not have been waddling? should they not have been waddling?