I should speculate you should speculate she should speculate we should speculate you should speculate they should speculate
V-ing form
I should be speculating you should be speculating she should be speculating we should be speculating you should be speculating they should be speculating
Perfect
I should have speculated you should have speculated she should have speculated we should have speculated you should have speculated they should have speculated
V-ing perfect
I should have been speculating you should have been speculating she should have been speculating we should have been speculating you should have been speculating they should have been speculating
Negation
Simple form
I should not speculate you should not speculate she should not speculate we should not speculate you should not speculate they should not speculate
V-ing form
I should not be speculating you should not be speculating she should not be speculating we should not be speculating you should not be speculating they should not be speculating
Perfect
I should not have speculated you should not have speculated she should not have speculated we should not have speculated you should not have speculated they should not have speculated
V-ing perfect
I should not have been speculating you should not have been speculating she should not have been speculating we should not have been speculating you should not have been speculating they should not have been speculating
Interrogative form
Simple form
should I speculate? should you speculate? should she speculate? should we speculate? should you speculate? should they speculate?
V-ing form
should I be speculating? should you be speculating? should she be speculating? should we be speculating? should you be speculating? should they be speculating?
Perfect
should I have speculated? should you have speculated? should she have speculated? should we have speculated? should you have speculated? should they have speculated?
V-ing perfect
should I have been speculating? should you have been speculating? should she have been speculating? should we have been speculating? should you have been speculating? should they have been speculating?
Interro-negative form
Simple form
should I not speculate? should you not speculate? should she not speculate? should we not speculate? should you not speculate? should they not speculate?
V-ing form
should I not be speculating? should you not be speculating? should she not be speculating? should we not be speculating? should you not be speculating? should they not be speculating?
Perfect
should I not have speculated? should you not have speculated? should she not have speculated? should we not have speculated? should you not have speculated? should they not have speculated?
V-ing perfect
should I not have been speculating? should you not have been speculating? should she not have been speculating? should we not have been speculating? should you not have been speculating? should they not have been speculating?