English verb conjugation
CAN GRIP

Regular verb: grip - gripped - gripped

Affirmation

Simple form	V-ing form
I can grip you can grip she can grip we can grip you can grip they can grip	I can be gripping you can be gripping she can be gripping we can be gripping you can be gripping they can be gripping
Perfect	V-ing perfect
I can have gripped you can have gripped she can have gripped we can have gripped you can have gripped they can have gripped	I can have been gripping you can have been gripping she can have been gripping we can have been gripping you can have been gripping they can have been gripping

Negation

Simple form	V-ing form
I cannot grip you cannot grip she cannot grip we cannot grip you cannot grip they cannot grip	I cannot be gripping you cannot be gripping she cannot be gripping we cannot be gripping you cannot be gripping they cannot be gripping
Perfect	V-ing perfect
I cannot have gripped you cannot have gripped she cannot have gripped we cannot have gripped you cannot have gripped they cannot have gripped	I cannot have been gripping you cannot have been gripping she cannot have been gripping we cannot have been gripping you cannot have been gripping they cannot have been gripping

Interrogative form

Simple form	V-ing form
can I grip? can you grip? can she grip? can we grip? can you grip? can they grip?	can I be gripping? can you be gripping? can she be gripping? can we be gripping? can you be gripping? can they be gripping?
Perfect	V-ing perfect
can I have gripped? can you have gripped? can she have gripped? can we have gripped? can you have gripped? can they have gripped?	can I have been gripping? can you have been gripping? can she have been gripping? can we have been gripping? can you have been gripping? can they have been gripping?

Interro-negative form

Simple form	V-ing form
can I not grip? can you not grip? can she not grip? can we not grip? can you not grip? can they not grip?	can I not be gripping? can you not be gripping? can she not be gripping? can we not be gripping? can you not be gripping? can they not be gripping?
Perfect	V-ing perfect
can I not have gripped? can you not have gripped? can she not have gripped? can we not have gripped? can you not have gripped? can they not have gripped?	can I not have been gripping? can you not have been gripping? can she not have been gripping? can we not have been gripping? can you not have been gripping? can they not have been gripping?