English verb conjugation
CAN FLIP

Regular verb: flip - flipped - flipped

Affirmation

Simple form	V-ing form
I can flip you can flip he can flip we can flip you can flip they can flip	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	V-ing 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	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	V-ing form
I can't flip you can't flip he can't flip we can't flip you can't flip they can't flip	I can't be flipping you can't be flipping he can't be flipping we can't be flipping you can't be flipping they can't be flipping
Perfect	V-ing perfect
I can't have flipped you can't have flipped he can't have flipped we can't have flipped you can't have flipped they can't have flipped	I can't have been flipping you can't have been flipping he can't have been flipping we can't have been flipping you can't have been flipping they can't have been flipping

Interrogative form

Simple form	V-ing form
can I flip? can you flip? can he flip? can we flip? can you flip? can they flip?	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	V-ing 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?	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	V-ing form
can't I flip? can't you flip? can't he flip? can't we flip? can't you flip? can't they flip?	can't I be flipping? can't you be flipping? can't he be flipping? can't we be flipping? can't you be flipping? can't they be flipping?
Perfect	V-ing perfect
can't I have flipped? can't you have flipped? can't he have flipped? can't we have flipped? can't you have flipped? can't they have flipped?	can't I have been flipping? can't you have been flipping? can't he have been flipping? can't we have been flipping? can't you have been flipping? can't they have been flipping?