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 mustn't aid you mustn't aid he mustn't aid we mustn't aid you mustn't aid they mustn't aid	I mustn't be aiding you mustn't be aiding he mustn't be aiding we mustn't be aiding you mustn't be aiding they mustn't be aiding
Perfect	V-ing perfect
I mustn't have aided you mustn't have aided he mustn't have aided we mustn't have aided you mustn't have aided they mustn't have aided	I mustn't have been aiding you mustn't have been aiding he mustn't have been aiding we mustn't have been aiding you mustn't have been aiding they mustn't 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
mustn't I aid? mustn't you aid? mustn't he aid? mustn't we aid? mustn't you aid? mustn't they aid?	mustn't I be aiding? mustn't you be aiding? mustn't he be aiding? mustn't we be aiding? mustn't you be aiding? mustn't they be aiding?
Perfect	V-ing perfect
mustn't I have aided? mustn't you have aided? mustn't he have aided? mustn't we have aided? mustn't you have aided? mustn't they have aided?	mustn't I have been aiding? mustn't you have been aiding? mustn't he have been aiding? mustn't we have been aiding? mustn't you have been aiding? mustn't they have been aiding?