I can fling you can fling she can fling we can fling you can fling they can fling
V-ing form
I can be flinging you can be flinging she can be flinging we can be flinging you can be flinging they can be flinging
Perfect
I can have flung you can have flung she can have flung we can have flung you can have flung they can have flung
V-ing perfect
I can have been flinging you can have been flinging she can have been flinging we can have been flinging you can have been flinging they can have been flinging
Negation
Simple form
I cannot fling you cannot fling she cannot fling we cannot fling you cannot fling they cannot fling
V-ing form
I cannot be flinging you cannot be flinging she cannot be flinging we cannot be flinging you cannot be flinging they cannot be flinging
Perfect
I cannot have flung you cannot have flung she cannot have flung we cannot have flung you cannot have flung they cannot have flung
V-ing perfect
I cannot have been flinging you cannot have been flinging she cannot have been flinging we cannot have been flinging you cannot have been flinging they cannot have been flinging
Interrogative form
Simple form
can I fling? can you fling? can she fling? can we fling? can you fling? can they fling?
V-ing form
can I be flinging? can you be flinging? can she be flinging? can we be flinging? can you be flinging? can they be flinging?
Perfect
can I have flung? can you have flung? can she have flung? can we have flung? can you have flung? can they have flung?
V-ing perfect
can I have been flinging? can you have been flinging? can she have been flinging? can we have been flinging? can you have been flinging? can they have been flinging?
Interro-negative form
Simple form
can I not fling? can you not fling? can she not fling? can we not fling? can you not fling? can they not fling?
V-ing form
can I not be flinging? can you not be flinging? can she not be flinging? can we not be flinging? can you not be flinging? can they not be flinging?
Perfect
can I not have flung? can you not have flung? can she not have flung? can we not have flung? can you not have flung? can they not have flung?
V-ing perfect
can I not have been flinging? can you not have been flinging? can she not have been flinging? can we not have been flinging? can you not have been flinging? can they not have been flinging?