English verb conjugation
MUST ROSIN

Regular verb: rosin - rosined - rosined

Affirmation

Simple form	V-ing form
I must rosin you must rosin he must rosin we must rosin you must rosin they must rosin	I must be rosining you must be rosining he must be rosining we must be rosining you must be rosining they must be rosining
Perfect	V-ing perfect
I must have rosined you must have rosined he must have rosined we must have rosined you must have rosined they must have rosined	I must have been rosining you must have been rosining he must have been rosining we must have been rosining you must have been rosining they must have been rosining

Negation

Simple form	V-ing form
I mustn't rosin you mustn't rosin he mustn't rosin we mustn't rosin you mustn't rosin they mustn't rosin	I mustn't be rosining you mustn't be rosining he mustn't be rosining we mustn't be rosining you mustn't be rosining they mustn't be rosining
Perfect	V-ing perfect
I mustn't have rosined you mustn't have rosined he mustn't have rosined we mustn't have rosined you mustn't have rosined they mustn't have rosined	I mustn't have been rosining you mustn't have been rosining he mustn't have been rosining we mustn't have been rosining you mustn't have been rosining they mustn't have been rosining

Interrogative form

Simple form	V-ing form
must I rosin? must you rosin? must he rosin? must we rosin? must you rosin? must they rosin?	must I be rosining? must you be rosining? must he be rosining? must we be rosining? must you be rosining? must they be rosining?
Perfect	V-ing perfect
must I have rosined? must you have rosined? must he have rosined? must we have rosined? must you have rosined? must they have rosined?	must I have been rosining? must you have been rosining? must he have been rosining? must we have been rosining? must you have been rosining? must they have been rosining?

Interro-negative form

Simple form	V-ing form
mustn't I rosin? mustn't you rosin? mustn't he rosin? mustn't we rosin? mustn't you rosin? mustn't they rosin?	mustn't I be rosining? mustn't you be rosining? mustn't he be rosining? mustn't we be rosining? mustn't you be rosining? mustn't they be rosining?
Perfect	V-ing perfect
mustn't I have rosined? mustn't you have rosined? mustn't he have rosined? mustn't we have rosined? mustn't you have rosined? mustn't they have rosined?	mustn't I have been rosining? mustn't you have been rosining? mustn't he have been rosining? mustn't we have been rosining? mustn't you have been rosining? mustn't they have been rosining?