English verb conjugation
MUST AID

Regular verb: aid - aided - aided

Affirmation

Simple form	V-ing form
I must aid you must aid he must aid we must aid you must aid they must aid	I must be aiding you must be aiding he must be aiding we must be aiding you must be aiding they must be aiding
Perfect	V-ing perfect
I must have aided you must have aided he must have aided we must have aided you must have aided they must have aided	I must have been aiding you must have been aiding he must have been aiding we must have been aiding you must have been aiding they must have been aiding

Negation

Simple form	V-ing form
I must not aid you must not aid he must not aid we must not aid you must not aid they must not aid	I must not be aiding you must not be aiding he must not be aiding we must not be aiding you must not be aiding they must not be aiding
Perfect	V-ing perfect
I must not have aided you must not have aided he must not have aided we must not have aided you must not have aided they must not have aided	I must not have been aiding you must not have been aiding he must not have been aiding we must not have been aiding you must not have been aiding they must not have been aiding

Interrogative form

Simple form	V-ing form
must I aid? must you aid? must he aid? must we aid? must you aid? must they aid?	must I be aiding? must you be aiding? must he be aiding? must we be aiding? must you be aiding? must they be aiding?
Perfect	V-ing perfect
must I have aided? must you have aided? must he have aided? must we have aided? must you have aided? must they have aided?	must I have been aiding? must you have been aiding? must he have been aiding? must we have been aiding? must you have been aiding? must they have been aiding?

Interro-negative form

Simple form	V-ing form
must I not aid? must you not aid? must he not aid? must we not aid? must you not aid? must they not aid?	must I not be aiding? must you not be aiding? must he not be aiding? must we not be aiding? must you not be aiding? must they not be aiding?
Perfect	V-ing perfect
must I not have aided? must you not have aided? must he not have aided? must we not have aided? must you not have aided? must they not have aided?	must I not have been aiding? must you not have been aiding? must he not have been aiding? must we not have been aiding? must you not have been aiding? must they not have been aiding?