English verb conjugation
CAN NIP

Regular verb: nip - nipped - nipped

Affirmation

Simple form	V-ing form
I can nip you can nip he can nip we can nip you can nip they can nip	I can be nipping you can be nipping he can be nipping we can be nipping you can be nipping they can be nipping
Perfect	V-ing perfect
I can have nipped you can have nipped he can have nipped we can have nipped you can have nipped they can have nipped	I can have been nipping you can have been nipping he can have been nipping we can have been nipping you can have been nipping they can have been nipping

Negation

Simple form	V-ing form
I can't nip you can't nip he can't nip we can't nip you can't nip they can't nip	I can't be nipping you can't be nipping he can't be nipping we can't be nipping you can't be nipping they can't be nipping
Perfect	V-ing perfect
I can't have nipped you can't have nipped he can't have nipped we can't have nipped you can't have nipped they can't have nipped	I can't have been nipping you can't have been nipping he can't have been nipping we can't have been nipping you can't have been nipping they can't have been nipping

Interrogative form

Simple form	V-ing form
can I nip? can you nip? can he nip? can we nip? can you nip? can they nip?	can I be nipping? can you be nipping? can he be nipping? can we be nipping? can you be nipping? can they be nipping?
Perfect	V-ing perfect
can I have nipped? can you have nipped? can he have nipped? can we have nipped? can you have nipped? can they have nipped?	can I have been nipping? can you have been nipping? can he have been nipping? can we have been nipping? can you have been nipping? can they have been nipping?

Interro-negative form

Simple form	V-ing form
can't I nip? can't you nip? can't he nip? can't we nip? can't you nip? can't they nip?	can't I be nipping? can't you be nipping? can't he be nipping? can't we be nipping? can't you be nipping? can't they be nipping?
Perfect	V-ing perfect
can't I have nipped? can't you have nipped? can't he have nipped? can't we have nipped? can't you have nipped? can't they have nipped?	can't I have been nipping? can't you have been nipping? can't he have been nipping? can't we have been nipping? can't you have been nipping? can't they have been nipping?