English verb conjugation
CAN CLUNK

Regular verb: clunk - clunked - clunked

Affirmation

Simple form	V-ing form
I can clunk you can clunk she can clunk we can clunk you can clunk they can clunk	I can be clunking you can be clunking she can be clunking we can be clunking you can be clunking they can be clunking
Perfect	V-ing perfect
I can have clunked you can have clunked she can have clunked we can have clunked you can have clunked they can have clunked	I can have been clunking you can have been clunking she can have been clunking we can have been clunking you can have been clunking they can have been clunking

Negation

Simple form	V-ing form
I can't clunk you can't clunk she can't clunk we can't clunk you can't clunk they can't clunk	I can't be clunking you can't be clunking she can't be clunking we can't be clunking you can't be clunking they can't be clunking
Perfect	V-ing perfect
I can't have clunked you can't have clunked she can't have clunked we can't have clunked you can't have clunked they can't have clunked	I can't have been clunking you can't have been clunking she can't have been clunking we can't have been clunking you can't have been clunking they can't have been clunking

Interrogative form

Simple form	V-ing form
can I clunk? can you clunk? can she clunk? can we clunk? can you clunk? can they clunk?	can I be clunking? can you be clunking? can she be clunking? can we be clunking? can you be clunking? can they be clunking?
Perfect	V-ing perfect
can I have clunked? can you have clunked? can she have clunked? can we have clunked? can you have clunked? can they have clunked?	can I have been clunking? can you have been clunking? can she have been clunking? can we have been clunking? can you have been clunking? can they have been clunking?

Interro-negative form

Simple form	V-ing form
can't I clunk? can't you clunk? can't she clunk? can't we clunk? can't you clunk? can't they clunk?	can't I be clunking? can't you be clunking? can't she be clunking? can't we be clunking? can't you be clunking? can't they be clunking?
Perfect	V-ing perfect
can't I have clunked? can't you have clunked? can't she have clunked? can't we have clunked? can't you have clunked? can't they have clunked?	can't I have been clunking? can't you have been clunking? can't she have been clunking? can't we have been clunking? can't you have been clunking? can't they have been clunking?