English verb conjugation
MUST SIGHT-READ

Irregular verb: sight-read - sight-read - sight-read

Affirmation

Simple form	V-ing form
I must sight-read you must sight-read he must sight-read we must sight-read you must sight-read they must sight-read	I must be sight-reading you must be sight-reading he must be sight-reading we must be sight-reading you must be sight-reading they must be sight-reading
Perfect	V-ing perfect
I must have sight-read you must have sight-read he must have sight-read we must have sight-read you must have sight-read they must have sight-read	I must have been sight-reading you must have been sight-reading he must have been sight-reading we must have been sight-reading you must have been sight-reading they must have been sight-reading

Negation

Simple form	V-ing form
I mustn't sight-read you mustn't sight-read he mustn't sight-read we mustn't sight-read you mustn't sight-read they mustn't sight-read	I mustn't be sight-reading you mustn't be sight-reading he mustn't be sight-reading we mustn't be sight-reading you mustn't be sight-reading they mustn't be sight-reading
Perfect	V-ing perfect
I mustn't have sight-read you mustn't have sight-read he mustn't have sight-read we mustn't have sight-read you mustn't have sight-read they mustn't have sight-read	I mustn't have been sight-reading you mustn't have been sight-reading he mustn't have been sight-reading we mustn't have been sight-reading you mustn't have been sight-reading they mustn't have been sight-reading

Interrogative form

Simple form	V-ing form
must I sight-read? must you sight-read? must he sight-read? must we sight-read? must you sight-read? must they sight-read?	must I be sight-reading? must you be sight-reading? must he be sight-reading? must we be sight-reading? must you be sight-reading? must they be sight-reading?
Perfect	V-ing perfect
must I have sight-read? must you have sight-read? must he have sight-read? must we have sight-read? must you have sight-read? must they have sight-read?	must I have been sight-reading? must you have been sight-reading? must he have been sight-reading? must we have been sight-reading? must you have been sight-reading? must they have been sight-reading?

Interro-negative form

Simple form	V-ing form
mustn't I sight-read? mustn't you sight-read? mustn't he sight-read? mustn't we sight-read? mustn't you sight-read? mustn't they sight-read?	mustn't I be sight-reading? mustn't you be sight-reading? mustn't he be sight-reading? mustn't we be sight-reading? mustn't you be sight-reading? mustn't they be sight-reading?
Perfect	V-ing perfect
mustn't I have sight-read? mustn't you have sight-read? mustn't he have sight-read? mustn't we have sight-read? mustn't you have sight-read? mustn't they have sight-read?	mustn't I have been sight-reading? mustn't you have been sight-reading? mustn't he have been sight-reading? mustn't we have been sight-reading? mustn't you have been sight-reading? mustn't they have been sight-reading?