English verb conjugation
MUST STRUGGLE

Regular verb: struggle - struggled - struggled

Affirmation

Simple form	V-ing form
I must struggle you must struggle she must struggle we must struggle you must struggle they must struggle	I must be struggling you must be struggling she must be struggling we must be struggling you must be struggling they must be struggling
Perfect	V-ing perfect
I must have struggled you must have struggled she must have struggled we must have struggled you must have struggled they must have struggled	I must have been struggling you must have been struggling she must have been struggling we must have been struggling you must have been struggling they must have been struggling

Negation

Simple form	V-ing form
I mustn't struggle you mustn't struggle she mustn't struggle we mustn't struggle you mustn't struggle they mustn't struggle	I mustn't be struggling you mustn't be struggling she mustn't be struggling we mustn't be struggling you mustn't be struggling they mustn't be struggling
Perfect	V-ing perfect
I mustn't have struggled you mustn't have struggled she mustn't have struggled we mustn't have struggled you mustn't have struggled they mustn't have struggled	I mustn't have been struggling you mustn't have been struggling she mustn't have been struggling we mustn't have been struggling you mustn't have been struggling they mustn't have been struggling

Interrogative form

Simple form	V-ing form
must I struggle? must you struggle? must she struggle? must we struggle? must you struggle? must they struggle?	must I be struggling? must you be struggling? must she be struggling? must we be struggling? must you be struggling? must they be struggling?
Perfect	V-ing perfect
must I have struggled? must you have struggled? must she have struggled? must we have struggled? must you have struggled? must they have struggled?	must I have been struggling? must you have been struggling? must she have been struggling? must we have been struggling? must you have been struggling? must they have been struggling?

Interro-negative form

Simple form	V-ing form
mustn't I struggle? mustn't you struggle? mustn't she struggle? mustn't we struggle? mustn't you struggle? mustn't they struggle?	mustn't I be struggling? mustn't you be struggling? mustn't she be struggling? mustn't we be struggling? mustn't you be struggling? mustn't they be struggling?
Perfect	V-ing perfect
mustn't I have struggled? mustn't you have struggled? mustn't she have struggled? mustn't we have struggled? mustn't you have struggled? mustn't they have struggled?	mustn't I have been struggling? mustn't you have been struggling? mustn't she have been struggling? mustn't we have been struggling? mustn't you have been struggling? mustn't they have been struggling?