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 must not decorate you must not decorate she must not decorate we must not decorate you must not decorate they must not decorate	I must not be decorating you must not be decorating she must not be decorating we must not be decorating you must not be decorating they must not be decorating
Perfect	V-ing perfect
I must not have decorated you must not have decorated she must not have decorated we must not have decorated you must not have decorated they must not have decorated	I must not have been decorating you must not have been decorating she must not have been decorating we must not have been decorating you must not have been decorating they must not 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
must I not decorate? must you not decorate? must she not decorate? must we not decorate? must you not decorate? must they not decorate?	must I not be decorating? must you not be decorating? must she not be decorating? must we not be decorating? must you not be decorating? must they not be decorating?
Perfect	V-ing perfect
must I not have decorated? must you not have decorated? must she not have decorated? must we not have decorated? must you not have decorated? must they not have decorated?	must I not have been decorating? must you not have been decorating? must she not have been decorating? must we not have been decorating? must you not have been decorating? must they not have been decorating?