English verb conjugation
MUST BUSH

Regular verb: bush - bushed - bushed

Affirmation

Simple form	V-ing form
I must bush you must bush he must bush we must bush you must bush they must bush	I must be bushing you must be bushing he must be bushing we must be bushing you must be bushing they must be bushing
Perfect	V-ing perfect
I must have bushed you must have bushed he must have bushed we must have bushed you must have bushed they must have bushed	I must have been bushing you must have been bushing he must have been bushing we must have been bushing you must have been bushing they must have been bushing

Negation

Simple form	V-ing form
I must not bush you must not bush he must not bush we must not bush you must not bush they must not bush	I must not be bushing you must not be bushing he must not be bushing we must not be bushing you must not be bushing they must not be bushing
Perfect	V-ing perfect
I must not have bushed you must not have bushed he must not have bushed we must not have bushed you must not have bushed they must not have bushed	I must not have been bushing you must not have been bushing he must not have been bushing we must not have been bushing you must not have been bushing they must not have been bushing

Interrogative form

Simple form	V-ing form
must I bush? must you bush? must he bush? must we bush? must you bush? must they bush?	must I be bushing? must you be bushing? must he be bushing? must we be bushing? must you be bushing? must they be bushing?
Perfect	V-ing perfect
must I have bushed? must you have bushed? must he have bushed? must we have bushed? must you have bushed? must they have bushed?	must I have been bushing? must you have been bushing? must he have been bushing? must we have been bushing? must you have been bushing? must they have been bushing?

Interro-negative form

Simple form	V-ing form
must I not bush? must you not bush? must he not bush? must we not bush? must you not bush? must they not bush?	must I not be bushing? must you not be bushing? must he not be bushing? must we not be bushing? must you not be bushing? must they not be bushing?
Perfect	V-ing perfect
must I not have bushed? must you not have bushed? must he not have bushed? must we not have bushed? must you not have bushed? must they not have bushed?	must I not have been bushing? must you not have been bushing? must he not have been bushing? must we not have been bushing? must you not have been bushing? must they not have been bushing?