English verb conjugation
MUST BABBLE

Regular verb: babble - babbled - babbled

Affirmation

Simple form	V-ing form
I must babble you must babble she must babble we must babble you must babble they must babble	I must be babbling you must be babbling she must be babbling we must be babbling you must be babbling they must be babbling
Perfect	V-ing perfect
I must have babbled you must have babbled she must have babbled we must have babbled you must have babbled they must have babbled	I must have been babbling you must have been babbling she must have been babbling we must have been babbling you must have been babbling they must have been babbling

Negation

Simple form	V-ing form
I mustn't babble you mustn't babble she mustn't babble we mustn't babble you mustn't babble they mustn't babble	I mustn't be babbling you mustn't be babbling she mustn't be babbling we mustn't be babbling you mustn't be babbling they mustn't be babbling
Perfect	V-ing perfect
I mustn't have babbled you mustn't have babbled she mustn't have babbled we mustn't have babbled you mustn't have babbled they mustn't have babbled	I mustn't have been babbling you mustn't have been babbling she mustn't have been babbling we mustn't have been babbling you mustn't have been babbling they mustn't have been babbling

Interrogative form

Simple form	V-ing form
must I babble? must you babble? must she babble? must we babble? must you babble? must they babble?	must I be babbling? must you be babbling? must she be babbling? must we be babbling? must you be babbling? must they be babbling?
Perfect	V-ing perfect
must I have babbled? must you have babbled? must she have babbled? must we have babbled? must you have babbled? must they have babbled?	must I have been babbling? must you have been babbling? must she have been babbling? must we have been babbling? must you have been babbling? must they have been babbling?

Interro-negative form

Simple form	V-ing form
mustn't I babble? mustn't you babble? mustn't she babble? mustn't we babble? mustn't you babble? mustn't they babble?	mustn't I be babbling? mustn't you be babbling? mustn't she be babbling? mustn't we be babbling? mustn't you be babbling? mustn't they be babbling?
Perfect	V-ing perfect
mustn't I have babbled? mustn't you have babbled? mustn't she have babbled? mustn't we have babbled? mustn't you have babbled? mustn't they have babbled?	mustn't I have been babbling? mustn't you have been babbling? mustn't she have been babbling? mustn't we have been babbling? mustn't you have been babbling? mustn't they have been babbling?