I should sling you should sling he should sling we should sling you should sling they should sling
V-ing form
I should be slinging you should be slinging he should be slinging we should be slinging you should be slinging they should be slinging
Perfect
I should have slung you should have slung he should have slung we should have slung you should have slung they should have slung
V-ing perfect
I should have been slinging you should have been slinging he should have been slinging we should have been slinging you should have been slinging they should have been slinging
Negation
Simple form
I should not sling you should not sling he should not sling we should not sling you should not sling they should not sling
V-ing form
I should not be slinging you should not be slinging he should not be slinging we should not be slinging you should not be slinging they should not be slinging
Perfect
I should not have slung you should not have slung he should not have slung we should not have slung you should not have slung they should not have slung
V-ing perfect
I should not have been slinging you should not have been slinging he should not have been slinging we should not have been slinging you should not have been slinging they should not have been slinging
Interrogative form
Simple form
should I sling? should you sling? should he sling? should we sling? should you sling? should they sling?
V-ing form
should I be slinging? should you be slinging? should he be slinging? should we be slinging? should you be slinging? should they be slinging?
Perfect
should I have slung? should you have slung? should he have slung? should we have slung? should you have slung? should they have slung?
V-ing perfect
should I have been slinging? should you have been slinging? should he have been slinging? should we have been slinging? should you have been slinging? should they have been slinging?
Interro-negative form
Simple form
should I not sling? should you not sling? should he not sling? should we not sling? should you not sling? should they not sling?
V-ing form
should I not be slinging? should you not be slinging? should he not be slinging? should we not be slinging? should you not be slinging? should they not be slinging?
Perfect
should I not have slung? should you not have slung? should he not have slung? should we not have slung? should you not have slung? should they not have slung?
V-ing perfect
should I not have been slinging? should you not have been slinging? should he not have been slinging? should we not have been slinging? should you not have been slinging? should they not have been slinging?