English verb conjugation
COULD CLING

Irregular verb: cling - clung - clung

Affirmation

Simple form	V-ing form
I could cling you could cling he could cling we could cling you could cling they could cling	I could be clinging you could be clinging he could be clinging we could be clinging you could be clinging they could be clinging
Perfect	V-ing perfect
I could have clung you could have clung he could have clung we could have clung you could have clung they could have clung	I could have been clinging you could have been clinging he could have been clinging we could have been clinging you could have been clinging they could have been clinging

Negation

Simple form	V-ing form
I couldn't cling you couldn't cling he couldn't cling we couldn't cling you couldn't cling they couldn't cling	I couldn't be clinging you couldn't be clinging he couldn't be clinging we couldn't be clinging you couldn't be clinging they couldn't be clinging
Perfect	V-ing perfect
I couldn't have clung you couldn't have clung he couldn't have clung we couldn't have clung you couldn't have clung they couldn't have clung	I couldn't have been clinging you couldn't have been clinging he couldn't have been clinging we couldn't have been clinging you couldn't have been clinging they couldn't have been clinging

Interrogative form

Simple form	V-ing form
could I cling? could you cling? could he cling? could we cling? could you cling? could they cling?	could I be clinging? could you be clinging? could he be clinging? could we be clinging? could you be clinging? could they be clinging?
Perfect	V-ing perfect
could I have clung? could you have clung? could he have clung? could we have clung? could you have clung? could they have clung?	could I have been clinging? could you have been clinging? could he have been clinging? could we have been clinging? could you have been clinging? could they have been clinging?

Interro-negative form

Simple form	V-ing form
couldn't I cling? couldn't you cling? couldn't he cling? couldn't we cling? couldn't you cling? couldn't they cling?	couldn't I be clinging? couldn't you be clinging? couldn't he be clinging? couldn't we be clinging? couldn't you be clinging? couldn't they be clinging?
Perfect	V-ing perfect
couldn't I have clung? couldn't you have clung? couldn't he have clung? couldn't we have clung? couldn't you have clung? couldn't they have clung?	couldn't I have been clinging? couldn't you have been clinging? couldn't he have been clinging? couldn't we have been clinging? couldn't you have been clinging? couldn't they have been clinging?