English verb conjugation
CAN CLAW

Regular verb: claw - clawed - clawed

Affirmation

Simple form	V-ing form
I can claw you can claw he can claw we can claw you can claw they can claw	I can be clawing you can be clawing he can be clawing we can be clawing you can be clawing they can be clawing
Perfect	V-ing perfect
I can have clawed you can have clawed he can have clawed we can have clawed you can have clawed they can have clawed	I can have been clawing you can have been clawing he can have been clawing we can have been clawing you can have been clawing they can have been clawing

Negation

Simple form	V-ing form
I cannot claw you cannot claw he cannot claw we cannot claw you cannot claw they cannot claw	I cannot be clawing you cannot be clawing he cannot be clawing we cannot be clawing you cannot be clawing they cannot be clawing
Perfect	V-ing perfect
I cannot have clawed you cannot have clawed he cannot have clawed we cannot have clawed you cannot have clawed they cannot have clawed	I cannot have been clawing you cannot have been clawing he cannot have been clawing we cannot have been clawing you cannot have been clawing they cannot have been clawing

Interrogative form

Simple form	V-ing form
can I claw? can you claw? can he claw? can we claw? can you claw? can they claw?	can I be clawing? can you be clawing? can he be clawing? can we be clawing? can you be clawing? can they be clawing?
Perfect	V-ing perfect
can I have clawed? can you have clawed? can he have clawed? can we have clawed? can you have clawed? can they have clawed?	can I have been clawing? can you have been clawing? can he have been clawing? can we have been clawing? can you have been clawing? can they have been clawing?

Interro-negative form

Simple form	V-ing form
can I not claw? can you not claw? can he not claw? can we not claw? can you not claw? can they not claw?	can I not be clawing? can you not be clawing? can he not be clawing? can we not be clawing? can you not be clawing? can they not be clawing?
Perfect	V-ing perfect
can I not have clawed? can you not have clawed? can he not have clawed? can we not have clawed? can you not have clawed? can they not have clawed?	can I not have been clawing? can you not have been clawing? can he not have been clawing? can we not have been clawing? can you not have been clawing? can they not have been clawing?