I should carpool you should carpool he should carpool we should carpool you should carpool they should carpool
V-ing form
I should be carpooling you should be carpooling he should be carpooling we should be carpooling you should be carpooling they should be carpooling
Perfect
I should have carpooled you should have carpooled he should have carpooled we should have carpooled you should have carpooled they should have carpooled
V-ing perfect
I should have been carpooling you should have been carpooling he should have been carpooling we should have been carpooling you should have been carpooling they should have been carpooling
Negation
Simple form
I should not carpool you should not carpool he should not carpool we should not carpool you should not carpool they should not carpool
V-ing form
I should not be carpooling you should not be carpooling he should not be carpooling we should not be carpooling you should not be carpooling they should not be carpooling
Perfect
I should not have carpooled you should not have carpooled he should not have carpooled we should not have carpooled you should not have carpooled they should not have carpooled
V-ing perfect
I should not have been carpooling you should not have been carpooling he should not have been carpooling we should not have been carpooling you should not have been carpooling they should not have been carpooling
Interrogative form
Simple form
should I carpool? should you carpool? should he carpool? should we carpool? should you carpool? should they carpool?
V-ing form
should I be carpooling? should you be carpooling? should he be carpooling? should we be carpooling? should you be carpooling? should they be carpooling?
Perfect
should I have carpooled? should you have carpooled? should he have carpooled? should we have carpooled? should you have carpooled? should they have carpooled?
V-ing perfect
should I have been carpooling? should you have been carpooling? should he have been carpooling? should we have been carpooling? should you have been carpooling? should they have been carpooling?
Interro-negative form
Simple form
should I not carpool? should you not carpool? should he not carpool? should we not carpool? should you not carpool? should they not carpool?
V-ing form
should I not be carpooling? should you not be carpooling? should he not be carpooling? should we not be carpooling? should you not be carpooling? should they not be carpooling?
Perfect
should I not have carpooled? should you not have carpooled? should he not have carpooled? should we not have carpooled? should you not have carpooled? should they not have carpooled?
V-ing perfect
should I not have been carpooling? should you not have been carpooling? should he not have been carpooling? should we not have been carpooling? should you not have been carpooling? should they not have been carpooling?