I should cling you should cling he should cling we should cling you should cling they should cling
V-ing form
I should be clinging you should be clinging he should be clinging we should be clinging you should be clinging they should be clinging
Perfect
I should have clung you should have clung he should have clung we should have clung you should have clung they should have clung
V-ing perfect
I should have been clinging you should have been clinging he should have been clinging we should have been clinging you should have been clinging they should have been clinging
Negation
Simple form
I should not cling you should not cling he should not cling we should not cling you should not cling they should not cling
V-ing form
I should not be clinging you should not be clinging he should not be clinging we should not be clinging you should not be clinging they should not be clinging
Perfect
I should not have clung you should not have clung he should not have clung we should not have clung you should not have clung they should not have clung
V-ing perfect
I should not have been clinging you should not have been clinging he should not have been clinging we should not have been clinging you should not have been clinging they should not have been clinging
Interrogative form
Simple form
should I cling? should you cling? should he cling? should we cling? should you cling? should they cling?
V-ing form
should I be clinging? should you be clinging? should he be clinging? should we be clinging? should you be clinging? should they be clinging?
Perfect
should I have clung? should you have clung? should he have clung? should we have clung? should you have clung? should they have clung?
V-ing perfect
should I have been clinging? should you have been clinging? should he have been clinging? should we have been clinging? should you have been clinging? should they have been clinging?
Interro-negative form
Simple form
should I not cling? should you not cling? should he not cling? should we not cling? should you not cling? should they not cling?
V-ing form
should I not be clinging? should you not be clinging? should he not be clinging? should we not be clinging? should you not be clinging? should they not be clinging?
Perfect
should I not have clung? should you not have clung? should he not have clung? should we not have clung? should you not have clung? should they not have clung?
V-ing perfect
should I not have been clinging? should you not have been clinging? should he not have been clinging? should we not have been clinging? should you not have been clinging? should they not have been clinging?