I should snatch you should snatch he should snatch we should snatch you should snatch they should snatch
V-ing form
I should be snatching you should be snatching he should be snatching we should be snatching you should be snatching they should be snatching
Perfect
I should have snatched you should have snatched he should have snatched we should have snatched you should have snatched they should have snatched
V-ing perfect
I should have been snatching you should have been snatching he should have been snatching we should have been snatching you should have been snatching they should have been snatching
Negation
Simple form
I should not snatch you should not snatch he should not snatch we should not snatch you should not snatch they should not snatch
V-ing form
I should not be snatching you should not be snatching he should not be snatching we should not be snatching you should not be snatching they should not be snatching
Perfect
I should not have snatched you should not have snatched he should not have snatched we should not have snatched you should not have snatched they should not have snatched
V-ing perfect
I should not have been snatching you should not have been snatching he should not have been snatching we should not have been snatching you should not have been snatching they should not have been snatching
Interrogative form
Simple form
should I snatch? should you snatch? should he snatch? should we snatch? should you snatch? should they snatch?
V-ing form
should I be snatching? should you be snatching? should he be snatching? should we be snatching? should you be snatching? should they be snatching?
Perfect
should I have snatched? should you have snatched? should he have snatched? should we have snatched? should you have snatched? should they have snatched?
V-ing perfect
should I have been snatching? should you have been snatching? should he have been snatching? should we have been snatching? should you have been snatching? should they have been snatching?
Interro-negative form
Simple form
should I not snatch? should you not snatch? should he not snatch? should we not snatch? should you not snatch? should they not snatch?
V-ing form
should I not be snatching? should you not be snatching? should he not be snatching? should we not be snatching? should you not be snatching? should they not be snatching?
Perfect
should I not have snatched? should you not have snatched? should he not have snatched? should we not have snatched? should you not have snatched? should they not have snatched?
V-ing perfect
should I not have been snatching? should you not have been snatching? should he not have been snatching? should we not have been snatching? should you not have been snatching? should they not have been snatching?