English verb conjugation
MUST HALLO

Regular verb: hallo - halloed - halloed

Affirmation

Simple form	V-ing form
I must hallo you must hallo she must hallo we must hallo you must hallo they must hallo	I must be halloing you must be halloing she must be halloing we must be halloing you must be halloing they must be halloing
Perfect	V-ing perfect
I must have halloed you must have halloed she must have halloed we must have halloed you must have halloed they must have halloed	I must have been halloing you must have been halloing she must have been halloing we must have been halloing you must have been halloing they must have been halloing

Negation

Simple form	V-ing form
I mustn't hallo you mustn't hallo she mustn't hallo we mustn't hallo you mustn't hallo they mustn't hallo	I mustn't be halloing you mustn't be halloing she mustn't be halloing we mustn't be halloing you mustn't be halloing they mustn't be halloing
Perfect	V-ing perfect
I mustn't have halloed you mustn't have halloed she mustn't have halloed we mustn't have halloed you mustn't have halloed they mustn't have halloed	I mustn't have been halloing you mustn't have been halloing she mustn't have been halloing we mustn't have been halloing you mustn't have been halloing they mustn't have been halloing

Interrogative form

Simple form	V-ing form
must I hallo? must you hallo? must she hallo? must we hallo? must you hallo? must they hallo?	must I be halloing? must you be halloing? must she be halloing? must we be halloing? must you be halloing? must they be halloing?
Perfect	V-ing perfect
must I have halloed? must you have halloed? must she have halloed? must we have halloed? must you have halloed? must they have halloed?	must I have been halloing? must you have been halloing? must she have been halloing? must we have been halloing? must you have been halloing? must they have been halloing?

Interro-negative form

Simple form	V-ing form
mustn't I hallo? mustn't you hallo? mustn't she hallo? mustn't we hallo? mustn't you hallo? mustn't they hallo?	mustn't I be halloing? mustn't you be halloing? mustn't she be halloing? mustn't we be halloing? mustn't you be halloing? mustn't they be halloing?
Perfect	V-ing perfect
mustn't I have halloed? mustn't you have halloed? mustn't she have halloed? mustn't we have halloed? mustn't you have halloed? mustn't they have halloed?	mustn't I have been halloing? mustn't you have been halloing? mustn't she have been halloing? mustn't we have been halloing? mustn't you have been halloing? mustn't they have been halloing?