I should bubble you should bubble she should bubble we should bubble you should bubble they should bubble
V-ing form
I should be bubbling you should be bubbling she should be bubbling we should be bubbling you should be bubbling they should be bubbling
Perfect
I should have bubbled you should have bubbled she should have bubbled we should have bubbled you should have bubbled they should have bubbled
V-ing perfect
I should have been bubbling you should have been bubbling she should have been bubbling we should have been bubbling you should have been bubbling they should have been bubbling
Negation
Simple form
I should not bubble you should not bubble she should not bubble we should not bubble you should not bubble they should not bubble
V-ing form
I should not be bubbling you should not be bubbling she should not be bubbling we should not be bubbling you should not be bubbling they should not be bubbling
Perfect
I should not have bubbled you should not have bubbled she should not have bubbled we should not have bubbled you should not have bubbled they should not have bubbled
V-ing perfect
I should not have been bubbling you should not have been bubbling she should not have been bubbling we should not have been bubbling you should not have been bubbling they should not have been bubbling
Interrogative form
Simple form
should I bubble? should you bubble? should she bubble? should we bubble? should you bubble? should they bubble?
V-ing form
should I be bubbling? should you be bubbling? should she be bubbling? should we be bubbling? should you be bubbling? should they be bubbling?
Perfect
should I have bubbled? should you have bubbled? should she have bubbled? should we have bubbled? should you have bubbled? should they have bubbled?
V-ing perfect
should I have been bubbling? should you have been bubbling? should she have been bubbling? should we have been bubbling? should you have been bubbling? should they have been bubbling?
Interro-negative form
Simple form
should I not bubble? should you not bubble? should she not bubble? should we not bubble? should you not bubble? should they not bubble?
V-ing form
should I not be bubbling? should you not be bubbling? should she not be bubbling? should we not be bubbling? should you not be bubbling? should they not be bubbling?
Perfect
should I not have bubbled? should you not have bubbled? should she not have bubbled? should we not have bubbled? should you not have bubbled? should they not have bubbled?
V-ing perfect
should I not have been bubbling? should you not have been bubbling? should she not have been bubbling? should we not have been bubbling? should you not have been bubbling? should they not have been bubbling?