I should mop you should mop he should mop we should mop you should mop they should mop
V-ing form
I should be mopping you should be mopping he should be mopping we should be mopping you should be mopping they should be mopping
Perfect
I should have mopped you should have mopped he should have mopped we should have mopped you should have mopped they should have mopped
V-ing perfect
I should have been mopping you should have been mopping he should have been mopping we should have been mopping you should have been mopping they should have been mopping
Negation
Simple form
I should not mop you should not mop he should not mop we should not mop you should not mop they should not mop
V-ing form
I should not be mopping you should not be mopping he should not be mopping we should not be mopping you should not be mopping they should not be mopping
Perfect
I should not have mopped you should not have mopped he should not have mopped we should not have mopped you should not have mopped they should not have mopped
V-ing perfect
I should not have been mopping you should not have been mopping he should not have been mopping we should not have been mopping you should not have been mopping they should not have been mopping
Interrogative form
Simple form
should I mop? should you mop? should he mop? should we mop? should you mop? should they mop?
V-ing form
should I be mopping? should you be mopping? should he be mopping? should we be mopping? should you be mopping? should they be mopping?
Perfect
should I have mopped? should you have mopped? should he have mopped? should we have mopped? should you have mopped? should they have mopped?
V-ing perfect
should I have been mopping? should you have been mopping? should he have been mopping? should we have been mopping? should you have been mopping? should they have been mopping?
Interro-negative form
Simple form
should I not mop? should you not mop? should he not mop? should we not mop? should you not mop? should they not mop?
V-ing form
should I not be mopping? should you not be mopping? should he not be mopping? should we not be mopping? should you not be mopping? should they not be mopping?
Perfect
should I not have mopped? should you not have mopped? should he not have mopped? should we not have mopped? should you not have mopped? should they not have mopped?
V-ing perfect
should I not have been mopping? should you not have been mopping? should he not have been mopping? should we not have been mopping? should you not have been mopping? should they not have been mopping?