English verb conjugation
MUST CLIP

Regular verb: clip - clipped - clipped

Affirmation

Simple form	V-ing form
I must clip you must clip she must clip we must clip you must clip they must clip	I must be clipping you must be clipping she 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 she 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 she 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 mustn't clip you mustn't clip she mustn't clip we mustn't clip you mustn't clip they mustn't clip	I mustn't be clipping you mustn't be clipping she mustn't be clipping we mustn't be clipping you mustn't be clipping they mustn't be clipping
Perfect	V-ing perfect
I mustn't have clipped you mustn't have clipped she mustn't have clipped we mustn't have clipped you mustn't have clipped they mustn't have clipped	I mustn't have been clipping you mustn't have been clipping she mustn't have been clipping we mustn't have been clipping you mustn't have been clipping they mustn't have been clipping

Interrogative form

Simple form	V-ing form
must I clip? must you clip? must she clip? must we clip? must you clip? must they clip?	must I be clipping? must you be clipping? must she 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 she 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 she 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
mustn't I clip? mustn't you clip? mustn't she clip? mustn't we clip? mustn't you clip? mustn't they clip?	mustn't I be clipping? mustn't you be clipping? mustn't she be clipping? mustn't we be clipping? mustn't you be clipping? mustn't they be clipping?
Perfect	V-ing perfect
mustn't I have clipped? mustn't you have clipped? mustn't she have clipped? mustn't we have clipped? mustn't you have clipped? mustn't they have clipped?	mustn't I have been clipping? mustn't you have been clipping? mustn't she have been clipping? mustn't we have been clipping? mustn't you have been clipping? mustn't they have been clipping?