English verb conjugation
MUST CLIP

Regular verb: clip - clipped - clipped

Affirmation

Simple form	V-ing form
I must clip you must clip he must clip we must clip you must clip they must clip	I must be clipping you must be clipping he must be clipping we must be clipping you must be clipping they must be clipping
Perfect	V-ing perfect
I must have clipped you must have clipped he must have clipped we must have clipped you must have clipped they must have clipped	I must have been clipping you must have been clipping he must have been clipping we must have been clipping you must have been clipping they must have been clipping

Negation

Simple form	V-ing form
I must not clip you must not clip he must not clip we must not clip you must not clip they must not clip	I must not be clipping you must not be clipping he must not be clipping we must not be clipping you must not be clipping they must not be clipping
Perfect	V-ing perfect
I must not have clipped you must not have clipped he must not have clipped we must not have clipped you must not have clipped they must not have clipped	I must not have been clipping you must not have been clipping he must not have been clipping we must not have been clipping you must not have been clipping they must not have been clipping

Interrogative form

Simple form	V-ing form
must I clip? must you clip? must he clip? must we clip? must you clip? must they clip?	must I be clipping? must you be clipping? must he be clipping? must we be clipping? must you be clipping? must they be clipping?
Perfect	V-ing perfect
must I have clipped? must you have clipped? must he have clipped? must we have clipped? must you have clipped? must they have clipped?	must I have been clipping? must you have been clipping? must he have been clipping? must we have been clipping? must you have been clipping? must they have been clipping?

Interro-negative form

Simple form	V-ing form
must I not clip? must you not clip? must he not clip? must we not clip? must you not clip? must they not clip?	must I not be clipping? must you not be clipping? must he not be clipping? must we not be clipping? must you not be clipping? must they not be clipping?
Perfect	V-ing perfect
must I not have clipped? must you not have clipped? must he not have clipped? must we not have clipped? must you not have clipped? must they not have clipped?	must I not have been clipping? must you not have been clipping? must he not have been clipping? must we not have been clipping? must you not have been clipping? must they not have been clipping?