I should wait you should wait he should wait we should wait you should wait they should wait
V-ing form
I should be waiting you should be waiting he should be waiting we should be waiting you should be waiting they should be waiting
Perfect
I should have waited you should have waited he should have waited we should have waited you should have waited they should have waited
V-ing perfect
I should have been waiting you should have been waiting he should have been waiting we should have been waiting you should have been waiting they should have been waiting
Negation
Simple form
I should not wait you should not wait he should not wait we should not wait you should not wait they should not wait
V-ing form
I should not be waiting you should not be waiting he should not be waiting we should not be waiting you should not be waiting they should not be waiting
Perfect
I should not have waited you should not have waited he should not have waited we should not have waited you should not have waited they should not have waited
V-ing perfect
I should not have been waiting you should not have been waiting he should not have been waiting we should not have been waiting you should not have been waiting they should not have been waiting
Interrogative form
Simple form
should I wait? should you wait? should he wait? should we wait? should you wait? should they wait?
V-ing form
should I be waiting? should you be waiting? should he be waiting? should we be waiting? should you be waiting? should they be waiting?
Perfect
should I have waited? should you have waited? should he have waited? should we have waited? should you have waited? should they have waited?
V-ing perfect
should I have been waiting? should you have been waiting? should he have been waiting? should we have been waiting? should you have been waiting? should they have been waiting?
Interro-negative form
Simple form
should I not wait? should you not wait? should he not wait? should we not wait? should you not wait? should they not wait?
V-ing form
should I not be waiting? should you not be waiting? should he not be waiting? should we not be waiting? should you not be waiting? should they not be waiting?
Perfect
should I not have waited? should you not have waited? should he not have waited? should we not have waited? should you not have waited? should they not have waited?
V-ing perfect
should I not have been waiting? should you not have been waiting? should he not have been waiting? should we not have been waiting? should you not have been waiting? should they not have been waiting?