I should twirl you should twirl he should twirl we should twirl you should twirl they should twirl
V-ing form
I should be twirling you should be twirling he should be twirling we should be twirling you should be twirling they should be twirling
Perfect
I should have twirled you should have twirled he should have twirled we should have twirled you should have twirled they should have twirled
V-ing perfect
I should have been twirling you should have been twirling he should have been twirling we should have been twirling you should have been twirling they should have been twirling
Negation
Simple form
I should not twirl you should not twirl he should not twirl we should not twirl you should not twirl they should not twirl
V-ing form
I should not be twirling you should not be twirling he should not be twirling we should not be twirling you should not be twirling they should not be twirling
Perfect
I should not have twirled you should not have twirled he should not have twirled we should not have twirled you should not have twirled they should not have twirled
V-ing perfect
I should not have been twirling you should not have been twirling he should not have been twirling we should not have been twirling you should not have been twirling they should not have been twirling
Interrogative form
Simple form
should I twirl? should you twirl? should he twirl? should we twirl? should you twirl? should they twirl?
V-ing form
should I be twirling? should you be twirling? should he be twirling? should we be twirling? should you be twirling? should they be twirling?
Perfect
should I have twirled? should you have twirled? should he have twirled? should we have twirled? should you have twirled? should they have twirled?
V-ing perfect
should I have been twirling? should you have been twirling? should he have been twirling? should we have been twirling? should you have been twirling? should they have been twirling?
Interro-negative form
Simple form
should I not twirl? should you not twirl? should he not twirl? should we not twirl? should you not twirl? should they not twirl?
V-ing form
should I not be twirling? should you not be twirling? should he not be twirling? should we not be twirling? should you not be twirling? should they not be twirling?
Perfect
should I not have twirled? should you not have twirled? should he not have twirled? should we not have twirled? should you not have twirled? should they not have twirled?
V-ing perfect
should I not have been twirling? should you not have been twirling? should he not have been twirling? should we not have been twirling? should you not have been twirling? should they not have been twirling?