English verb conjugation
CAN NIP

Regular verb: nip - nipped - nipped

Affirmation

Simple form	V-ing form
I can nip you can nip she can nip we can nip you can nip they can nip	I can be nipping you can be nipping she 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 she 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 she 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 cannot nip you cannot nip she cannot nip we cannot nip you cannot nip they cannot nip	I cannot be nipping you cannot be nipping she cannot be nipping we cannot be nipping you cannot be nipping they cannot be nipping
Perfect	V-ing perfect
I cannot have nipped you cannot have nipped she cannot have nipped we cannot have nipped you cannot have nipped they cannot have nipped	I cannot have been nipping you cannot have been nipping she cannot have been nipping we cannot have been nipping you cannot have been nipping they cannot have been nipping

Interrogative form

Simple form	V-ing form
can I nip? can you nip? can she nip? can we nip? can you nip? can they nip?	can I be nipping? can you be nipping? can she 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 she 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 she 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 I not nip? can you not nip? can she not nip? can we not nip? can you not nip? can they not nip?	can I not be nipping? can you not be nipping? can she not be nipping? can we not be nipping? can you not be nipping? can they not be nipping?
Perfect	V-ing perfect
can I not have nipped? can you not have nipped? can she not have nipped? can we not have nipped? can you not have nipped? can they not have nipped?	can I not have been nipping? can you not have been nipping? can she not have been nipping? can we not have been nipping? can you not have been nipping? can they not have been nipping?