English verb conjugation
MUST DECORATE

Regular verb: decorate - decorated - decorated

Affirmation

Simple form	V-ing form
I must decorate you must decorate she must decorate we must decorate you must decorate they must decorate	I must be decorating you must be decorating she must be decorating we must be decorating you must be decorating they must be decorating
Perfect	V-ing perfect
I must have decorated you must have decorated she must have decorated we must have decorated you must have decorated they must have decorated	I must have been decorating you must have been decorating she must have been decorating we must have been decorating you must have been decorating they must have been decorating

Negation

Simple form	V-ing form
I mustn't decorate you mustn't decorate she mustn't decorate we mustn't decorate you mustn't decorate they mustn't decorate	I mustn't be decorating you mustn't be decorating she mustn't be decorating we mustn't be decorating you mustn't be decorating they mustn't be decorating
Perfect	V-ing perfect
I mustn't have decorated you mustn't have decorated she mustn't have decorated we mustn't have decorated you mustn't have decorated they mustn't have decorated	I mustn't have been decorating you mustn't have been decorating she mustn't have been decorating we mustn't have been decorating you mustn't have been decorating they mustn't have been decorating

Interrogative form

Simple form	V-ing form
must I decorate? must you decorate? must she decorate? must we decorate? must you decorate? must they decorate?	must I be decorating? must you be decorating? must she be decorating? must we be decorating? must you be decorating? must they be decorating?
Perfect	V-ing perfect
must I have decorated? must you have decorated? must she have decorated? must we have decorated? must you have decorated? must they have decorated?	must I have been decorating? must you have been decorating? must she have been decorating? must we have been decorating? must you have been decorating? must they have been decorating?

Interro-negative form

Simple form	V-ing form
mustn't I decorate? mustn't you decorate? mustn't she decorate? mustn't we decorate? mustn't you decorate? mustn't they decorate?	mustn't I be decorating? mustn't you be decorating? mustn't she be decorating? mustn't we be decorating? mustn't you be decorating? mustn't they be decorating?
Perfect	V-ing perfect
mustn't I have decorated? mustn't you have decorated? mustn't she have decorated? mustn't we have decorated? mustn't you have decorated? mustn't they have decorated?	mustn't I have been decorating? mustn't you have been decorating? mustn't she have been decorating? mustn't we have been decorating? mustn't you have been decorating? mustn't they have been decorating?