English verb conjugation
MUST UNSCRAMBLE

Regular verb: unscramble - unscrambled - unscrambled

Affirmation

Simple form	V-ing form
I must unscramble you must unscramble she must unscramble we must unscramble you must unscramble they must unscramble	I must be unscrambling you must be unscrambling she must be unscrambling we must be unscrambling you must be unscrambling they must be unscrambling
Perfect	V-ing perfect
I must have unscrambled you must have unscrambled she must have unscrambled we must have unscrambled you must have unscrambled they must have unscrambled	I must have been unscrambling you must have been unscrambling she must have been unscrambling we must have been unscrambling you must have been unscrambling they must have been unscrambling

Negation

Simple form	V-ing form
I mustn't unscramble you mustn't unscramble she mustn't unscramble we mustn't unscramble you mustn't unscramble they mustn't unscramble	I mustn't be unscrambling you mustn't be unscrambling she mustn't be unscrambling we mustn't be unscrambling you mustn't be unscrambling they mustn't be unscrambling
Perfect	V-ing perfect
I mustn't have unscrambled you mustn't have unscrambled she mustn't have unscrambled we mustn't have unscrambled you mustn't have unscrambled they mustn't have unscrambled	I mustn't have been unscrambling you mustn't have been unscrambling she mustn't have been unscrambling we mustn't have been unscrambling you mustn't have been unscrambling they mustn't have been unscrambling

Interrogative form

Simple form	V-ing form
must I unscramble? must you unscramble? must she unscramble? must we unscramble? must you unscramble? must they unscramble?	must I be unscrambling? must you be unscrambling? must she be unscrambling? must we be unscrambling? must you be unscrambling? must they be unscrambling?
Perfect	V-ing perfect
must I have unscrambled? must you have unscrambled? must she have unscrambled? must we have unscrambled? must you have unscrambled? must they have unscrambled?	must I have been unscrambling? must you have been unscrambling? must she have been unscrambling? must we have been unscrambling? must you have been unscrambling? must they have been unscrambling?

Interro-negative form

Simple form	V-ing form
mustn't I unscramble? mustn't you unscramble? mustn't she unscramble? mustn't we unscramble? mustn't you unscramble? mustn't they unscramble?	mustn't I be unscrambling? mustn't you be unscrambling? mustn't she be unscrambling? mustn't we be unscrambling? mustn't you be unscrambling? mustn't they be unscrambling?
Perfect	V-ing perfect
mustn't I have unscrambled? mustn't you have unscrambled? mustn't she have unscrambled? mustn't we have unscrambled? mustn't you have unscrambled? mustn't they have unscrambled?	mustn't I have been unscrambling? mustn't you have been unscrambling? mustn't she have been unscrambling? mustn't we have been unscrambling? mustn't you have been unscrambling? mustn't they have been unscrambling?