English verb conjugation
MUST INFER

Regular verb: infer - inferred - inferred

Affirmation

Simple form	V-ing form
I must infer you must infer he must infer we must infer you must infer they must infer	I must be inferring you must be inferring he must be inferring we must be inferring you must be inferring they must be inferring
Perfect	V-ing perfect
I must have inferred you must have inferred he must have inferred we must have inferred you must have inferred they must have inferred	I must have been inferring you must have been inferring he must have been inferring we must have been inferring you must have been inferring they must have been inferring

Negation

Simple form	V-ing form
I mustn't infer you mustn't infer he mustn't infer we mustn't infer you mustn't infer they mustn't infer	I mustn't be inferring you mustn't be inferring he mustn't be inferring we mustn't be inferring you mustn't be inferring they mustn't be inferring
Perfect	V-ing perfect
I mustn't have inferred you mustn't have inferred he mustn't have inferred we mustn't have inferred you mustn't have inferred they mustn't have inferred	I mustn't have been inferring you mustn't have been inferring he mustn't have been inferring we mustn't have been inferring you mustn't have been inferring they mustn't have been inferring

Interrogative form

Simple form	V-ing form
must I infer? must you infer? must he infer? must we infer? must you infer? must they infer?	must I be inferring? must you be inferring? must he be inferring? must we be inferring? must you be inferring? must they be inferring?
Perfect	V-ing perfect
must I have inferred? must you have inferred? must he have inferred? must we have inferred? must you have inferred? must they have inferred?	must I have been inferring? must you have been inferring? must he have been inferring? must we have been inferring? must you have been inferring? must they have been inferring?

Interro-negative form

Simple form	V-ing form
mustn't I infer? mustn't you infer? mustn't he infer? mustn't we infer? mustn't you infer? mustn't they infer?	mustn't I be inferring? mustn't you be inferring? mustn't he be inferring? mustn't we be inferring? mustn't you be inferring? mustn't they be inferring?
Perfect	V-ing perfect
mustn't I have inferred? mustn't you have inferred? mustn't he have inferred? mustn't we have inferred? mustn't you have inferred? mustn't they have inferred?	mustn't I have been inferring? mustn't you have been inferring? mustn't he have been inferring? mustn't we have been inferring? mustn't you have been inferring? mustn't they have been inferring?