I should aver you should aver he should aver we should aver you should aver they should aver
V-ing form
I should be averring you should be averring he should be averring we should be averring you should be averring they should be averring
Perfect
I should have averred you should have averred he should have averred we should have averred you should have averred they should have averred
V-ing perfect
I should have been averring you should have been averring he should have been averring we should have been averring you should have been averring they should have been averring
Negation
Simple form
I should not aver you should not aver he should not aver we should not aver you should not aver they should not aver
V-ing form
I should not be averring you should not be averring he should not be averring we should not be averring you should not be averring they should not be averring
Perfect
I should not have averred you should not have averred he should not have averred we should not have averred you should not have averred they should not have averred
V-ing perfect
I should not have been averring you should not have been averring he should not have been averring we should not have been averring you should not have been averring they should not have been averring
Interrogative form
Simple form
should I aver? should you aver? should he aver? should we aver? should you aver? should they aver?
V-ing form
should I be averring? should you be averring? should he be averring? should we be averring? should you be averring? should they be averring?
Perfect
should I have averred? should you have averred? should he have averred? should we have averred? should you have averred? should they have averred?
V-ing perfect
should I have been averring? should you have been averring? should he have been averring? should we have been averring? should you have been averring? should they have been averring?
Interro-negative form
Simple form
should I not aver? should you not aver? should he not aver? should we not aver? should you not aver? should they not aver?
V-ing form
should I not be averring? should you not be averring? should he not be averring? should we not be averring? should you not be averring? should they not be averring?
Perfect
should I not have averred? should you not have averred? should he not have averred? should we not have averred? should you not have averred? should they not have averred?
V-ing perfect
should I not have been averring? should you not have been averring? should he not have been averring? should we not have been averring? should you not have been averring? should they not have been averring?