I should wave you should wave he should wave we should wave you should wave they should wave
V-ing form
I should be waving you should be waving he should be waving we should be waving you should be waving they should be waving
Perfect
I should have waved you should have waved he should have waved we should have waved you should have waved they should have waved
V-ing perfect
I should have been waving you should have been waving he should have been waving we should have been waving you should have been waving they should have been waving
Negation
Simple form
I should not wave you should not wave he should not wave we should not wave you should not wave they should not wave
V-ing form
I should not be waving you should not be waving he should not be waving we should not be waving you should not be waving they should not be waving
Perfect
I should not have waved you should not have waved he should not have waved we should not have waved you should not have waved they should not have waved
V-ing perfect
I should not have been waving you should not have been waving he should not have been waving we should not have been waving you should not have been waving they should not have been waving
Interrogative form
Simple form
should I wave? should you wave? should he wave? should we wave? should you wave? should they wave?
V-ing form
should I be waving? should you be waving? should he be waving? should we be waving? should you be waving? should they be waving?
Perfect
should I have waved? should you have waved? should he have waved? should we have waved? should you have waved? should they have waved?
V-ing perfect
should I have been waving? should you have been waving? should he have been waving? should we have been waving? should you have been waving? should they have been waving?
Interro-negative form
Simple form
should I not wave? should you not wave? should he not wave? should we not wave? should you not wave? should they not wave?
V-ing form
should I not be waving? should you not be waving? should he not be waving? should we not be waving? should you not be waving? should they not be waving?
Perfect
should I not have waved? should you not have waved? should he not have waved? should we not have waved? should you not have waved? should they not have waved?
V-ing perfect
should I not have been waving? should you not have been waving? should he not have been waving? should we not have been waving? should you not have been waving? should they not have been waving?