English verb conjugation
CAN CLAP

Regular verb: clap - clapped - clapped

Affirmation

Simple form	V-ing form
I can clap you can clap he can clap we can clap you can clap they can clap	I can be clapping you can be clapping he can be clapping we can be clapping you can be clapping they can be clapping
Perfect	V-ing perfect
I can have clapped you can have clapped he can have clapped we can have clapped you can have clapped they can have clapped	I can have been clapping you can have been clapping he can have been clapping we can have been clapping you can have been clapping they can have been clapping

Negation

Simple form	V-ing form
I cannot clap you cannot clap he cannot clap we cannot clap you cannot clap they cannot clap	I cannot be clapping you cannot be clapping he cannot be clapping we cannot be clapping you cannot be clapping they cannot be clapping
Perfect	V-ing perfect
I cannot have clapped you cannot have clapped he cannot have clapped we cannot have clapped you cannot have clapped they cannot have clapped	I cannot have been clapping you cannot have been clapping he cannot have been clapping we cannot have been clapping you cannot have been clapping they cannot have been clapping

Interrogative form

Simple form	V-ing form
can I clap? can you clap? can he clap? can we clap? can you clap? can they clap?	can I be clapping? can you be clapping? can he be clapping? can we be clapping? can you be clapping? can they be clapping?
Perfect	V-ing perfect
can I have clapped? can you have clapped? can he have clapped? can we have clapped? can you have clapped? can they have clapped?	can I have been clapping? can you have been clapping? can he have been clapping? can we have been clapping? can you have been clapping? can they have been clapping?

Interro-negative form

Simple form	V-ing form
can I not clap? can you not clap? can he not clap? can we not clap? can you not clap? can they not clap?	can I not be clapping? can you not be clapping? can he not be clapping? can we not be clapping? can you not be clapping? can they not be clapping?
Perfect	V-ing perfect
can I not have clapped? can you not have clapped? can he not have clapped? can we not have clapped? can you not have clapped? can they not have clapped?	can I not have been clapping? can you not have been clapping? can he not have been clapping? can we not have been clapping? can you not have been clapping? can they not have been clapping?