English verb conjugation
COULD SLING

Irregular verb: sling - slung - slung

Affirmation

Simple form	V-ing form
I could sling you could sling he could sling we could sling you could sling they could sling	I could be slinging you could be slinging he could be slinging we could be slinging you could be slinging they could be slinging
Perfect	V-ing perfect
I could have slung you could have slung he could have slung we could have slung you could have slung they could have slung	I could have been slinging you could have been slinging he could have been slinging we could have been slinging you could have been slinging they could have been slinging

Negation

Simple form	V-ing form
I could not sling you could not sling he could not sling we could not sling you could not sling they could not sling	I could not be slinging you could not be slinging he could not be slinging we could not be slinging you could not be slinging they could not be slinging
Perfect	V-ing perfect
I could not have slung you could not have slung he could not have slung we could not have slung you could not have slung they could not have slung	I could not have been slinging you could not have been slinging he could not have been slinging we could not have been slinging you could not have been slinging they could not have been slinging

Interrogative form

Simple form	V-ing form
could I sling? could you sling? could he sling? could we sling? could you sling? could they sling?	could I be slinging? could you be slinging? could he be slinging? could we be slinging? could you be slinging? could they be slinging?
Perfect	V-ing perfect
could I have slung? could you have slung? could he have slung? could we have slung? could you have slung? could they have slung?	could I have been slinging? could you have been slinging? could he have been slinging? could we have been slinging? could you have been slinging? could they have been slinging?

Interro-negative form

Simple form	V-ing form
could I not sling? could you not sling? could he not sling? could we not sling? could you not sling? could they not sling?	could I not be slinging? could you not be slinging? could he not be slinging? could we not be slinging? could you not be slinging? could they not be slinging?
Perfect	V-ing perfect
could I not have slung? could you not have slung? could he not have slung? could we not have slung? could you not have slung? could they not have slung?	could I not have been slinging? could you not have been slinging? could he not have been slinging? could we not have been slinging? could you not have been slinging? could they not have been slinging?