I should boom you should boom she should boom we should boom you should boom they should boom
V-ing form
I should be booming you should be booming she should be booming we should be booming you should be booming they should be booming
Perfect
I should have boomed you should have boomed she should have boomed we should have boomed you should have boomed they should have boomed
V-ing perfect
I should have been booming you should have been booming she should have been booming we should have been booming you should have been booming they should have been booming
Negation
Simple form
I should not boom you should not boom she should not boom we should not boom you should not boom they should not boom
V-ing form
I should not be booming you should not be booming she should not be booming we should not be booming you should not be booming they should not be booming
Perfect
I should not have boomed you should not have boomed she should not have boomed we should not have boomed you should not have boomed they should not have boomed
V-ing perfect
I should not have been booming you should not have been booming she should not have been booming we should not have been booming you should not have been booming they should not have been booming
Interrogative form
Simple form
should I boom? should you boom? should she boom? should we boom? should you boom? should they boom?
V-ing form
should I be booming? should you be booming? should she be booming? should we be booming? should you be booming? should they be booming?
Perfect
should I have boomed? should you have boomed? should she have boomed? should we have boomed? should you have boomed? should they have boomed?
V-ing perfect
should I have been booming? should you have been booming? should she have been booming? should we have been booming? should you have been booming? should they have been booming?
Interro-negative form
Simple form
should I not boom? should you not boom? should she not boom? should we not boom? should you not boom? should they not boom?
V-ing form
should I not be booming? should you not be booming? should she not be booming? should we not be booming? should you not be booming? should they not be booming?
Perfect
should I not have boomed? should you not have boomed? should she not have boomed? should we not have boomed? should you not have boomed? should they not have boomed?
V-ing perfect
should I not have been booming? should you not have been booming? should she not have been booming? should we not have been booming? should you not have been booming? should they not have been booming?