I can clap you can clap he can clap we can clap you can clap they can clap
V-ing form
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
I can have clapped you can have clapped he can have clapped we can have clapped you can have clapped they can have clapped
V-ing perfect
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
I cannot clap you cannot clap he cannot clap we cannot clap you cannot clap they cannot clap
V-ing form
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
I cannot have clapped you cannot have clapped he cannot have clapped we cannot have clapped you cannot have clapped they cannot have clapped
V-ing perfect
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
can I clap? can you clap? can he clap? can we clap? can you clap? can they clap?
V-ing form
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
can I have clapped? can you have clapped? can he have clapped? can we have clapped? can you have clapped? can they have clapped?
V-ing perfect
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
can I not clap? can you not clap? can he not clap? can we not clap? can you not clap? can they not clap?
V-ing form
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
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?
V-ing perfect
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?