I can flip you can flip he can flip we can flip you can flip they can flip
V-ing form
I can be flipping you can be flipping he can be flipping we can be flipping you can be flipping they can be flipping
Perfect
I can have flipped you can have flipped he can have flipped we can have flipped you can have flipped they can have flipped
V-ing perfect
I can have been flipping you can have been flipping he can have been flipping we can have been flipping you can have been flipping they can have been flipping
Negation
Simple form
I cannot flip you cannot flip he cannot flip we cannot flip you cannot flip they cannot flip
V-ing form
I cannot be flipping you cannot be flipping he cannot be flipping we cannot be flipping you cannot be flipping they cannot be flipping
Perfect
I cannot have flipped you cannot have flipped he cannot have flipped we cannot have flipped you cannot have flipped they cannot have flipped
V-ing perfect
I cannot have been flipping you cannot have been flipping he cannot have been flipping we cannot have been flipping you cannot have been flipping they cannot have been flipping
Interrogative form
Simple form
can I flip? can you flip? can he flip? can we flip? can you flip? can they flip?
V-ing form
can I be flipping? can you be flipping? can he be flipping? can we be flipping? can you be flipping? can they be flipping?
Perfect
can I have flipped? can you have flipped? can he have flipped? can we have flipped? can you have flipped? can they have flipped?
V-ing perfect
can I have been flipping? can you have been flipping? can he have been flipping? can we have been flipping? can you have been flipping? can they have been flipping?
Interro-negative form
Simple form
can I not flip? can you not flip? can he not flip? can we not flip? can you not flip? can they not flip?
V-ing form
can I not be flipping? can you not be flipping? can he not be flipping? can we not be flipping? can you not be flipping? can they not be flipping?
Perfect
can I not have flipped? can you not have flipped? can he not have flipped? can we not have flipped? can you not have flipped? can they not have flipped?
V-ing perfect
can I not have been flipping? can you not have been flipping? can he not have been flipping? can we not have been flipping? can you not have been flipping? can they not have been flipping?