English verb conjugation
COULD CLAP

Regular verb: clap - clapped - clapped

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
couldn't I clap? couldn't you clap? couldn't he clap? couldn't we clap? couldn't you clap? couldn't they clap?	couldn't I be clapping? couldn't you be clapping? couldn't he be clapping? couldn't we be clapping? couldn't you be clapping? couldn't they be clapping?
Perfect	V-ing perfect
couldn't I have clapped? couldn't you have clapped? couldn't he have clapped? couldn't we have clapped? couldn't you have clapped? couldn't they have clapped?	couldn't I have been clapping? couldn't you have been clapping? couldn't he have been clapping? couldn't we have been clapping? couldn't you have been clapping? couldn't they have been clapping?