English verb conjugation
MUST PREBUY

Irregular verb: prebuy - prebought - prebought

Affirmation

Simple form	V-ing form
I must prebuy you must prebuy she must prebuy we must prebuy you must prebuy they must prebuy	I must be prebuying you must be prebuying she must be prebuying we must be prebuying you must be prebuying they must be prebuying
Perfect	V-ing perfect
I must have prebought you must have prebought she must have prebought we must have prebought you must have prebought they must have prebought	I must have been prebuying you must have been prebuying she must have been prebuying we must have been prebuying you must have been prebuying they must have been prebuying

Negation

Simple form	V-ing form
I mustn't prebuy you mustn't prebuy she mustn't prebuy we mustn't prebuy you mustn't prebuy they mustn't prebuy	I mustn't be prebuying you mustn't be prebuying she mustn't be prebuying we mustn't be prebuying you mustn't be prebuying they mustn't be prebuying
Perfect	V-ing perfect
I mustn't have prebought you mustn't have prebought she mustn't have prebought we mustn't have prebought you mustn't have prebought they mustn't have prebought	I mustn't have been prebuying you mustn't have been prebuying she mustn't have been prebuying we mustn't have been prebuying you mustn't have been prebuying they mustn't have been prebuying

Interrogative form

Simple form	V-ing form
must I prebuy? must you prebuy? must she prebuy? must we prebuy? must you prebuy? must they prebuy?	must I be prebuying? must you be prebuying? must she be prebuying? must we be prebuying? must you be prebuying? must they be prebuying?
Perfect	V-ing perfect
must I have prebought? must you have prebought? must she have prebought? must we have prebought? must you have prebought? must they have prebought?	must I have been prebuying? must you have been prebuying? must she have been prebuying? must we have been prebuying? must you have been prebuying? must they have been prebuying?

Interro-negative form

Simple form	V-ing form
mustn't I prebuy? mustn't you prebuy? mustn't she prebuy? mustn't we prebuy? mustn't you prebuy? mustn't they prebuy?	mustn't I be prebuying? mustn't you be prebuying? mustn't she be prebuying? mustn't we be prebuying? mustn't you be prebuying? mustn't they be prebuying?
Perfect	V-ing perfect
mustn't I have prebought? mustn't you have prebought? mustn't she have prebought? mustn't we have prebought? mustn't you have prebought? mustn't they have prebought?	mustn't I have been prebuying? mustn't you have been prebuying? mustn't she have been prebuying? mustn't we have been prebuying? mustn't you have been prebuying? mustn't they have been prebuying?