English verb conjugation
MUST CLUNK

Regular verb: clunk - clunked - clunked

Affirmation

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

Negation

Simple form	V-ing form
I must not clunk you must not clunk he must not clunk we must not clunk you must not clunk they must not clunk	I must not be clunking you must not be clunking he must not be clunking we must not be clunking you must not be clunking they must not be clunking
Perfect	V-ing perfect
I must not have clunked you must not have clunked he must not have clunked we must not have clunked you must not have clunked they must not have clunked	I must not have been clunking you must not have been clunking he must not have been clunking we must not have been clunking you must not have been clunking they must not have been clunking

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not clunk? must you not clunk? must he not clunk? must we not clunk? must you not clunk? must they not clunk?	must I not be clunking? must you not be clunking? must he not be clunking? must we not be clunking? must you not be clunking? must they not be clunking?
Perfect	V-ing perfect
must I not have clunked? must you not have clunked? must he not have clunked? must we not have clunked? must you not have clunked? must they not have clunked?	must I not have been clunking? must you not have been clunking? must he not have been clunking? must we not have been clunking? must you not have been clunking? must they not have been clunking?