English verb conjugation
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Regular verb: celebrate celebrate - celebrate celebrated - celebrate celebrated

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I must celebrate celebrate you must celebrate celebrate he must celebrate celebrate we must celebrate celebrate you must celebrate celebrate they must celebrate celebrate	I must be celebrate celebrating you must be celebrate celebrating he must be celebrate celebrating we must be celebrate celebrating you must be celebrate celebrating they must be celebrate celebrating
Perfect	V-ing perfect
I must have celebrate celebrated you must have celebrate celebrated he must have celebrate celebrated we must have celebrate celebrated you must have celebrate celebrated they must have celebrate celebrated	I must have been celebrate celebrating you must have been celebrate celebrating he must have been celebrate celebrating we must have been celebrate celebrating you must have been celebrate celebrating they must have been celebrate celebrating

Negation

Simple form	V-ing form
I must not celebrate celebrate you must not celebrate celebrate he must not celebrate celebrate we must not celebrate celebrate you must not celebrate celebrate they must not celebrate celebrate	I must not be celebrate celebrating you must not be celebrate celebrating he must not be celebrate celebrating we must not be celebrate celebrating you must not be celebrate celebrating they must not be celebrate celebrating
Perfect	V-ing perfect
I must not have celebrate celebrated you must not have celebrate celebrated he must not have celebrate celebrated we must not have celebrate celebrated you must not have celebrate celebrated they must not have celebrate celebrated	I must not have been celebrate celebrating you must not have been celebrate celebrating he must not have been celebrate celebrating we must not have been celebrate celebrating you must not have been celebrate celebrating they must not have been celebrate celebrating

Interrogative form

Simple form	V-ing form
must I celebrate celebrate? must you celebrate celebrate? must he celebrate celebrate? must we celebrate celebrate? must you celebrate celebrate? must they celebrate celebrate?	must I be celebrate celebrating? must you be celebrate celebrating? must he be celebrate celebrating? must we be celebrate celebrating? must you be celebrate celebrating? must they be celebrate celebrating?
Perfect	V-ing perfect
must I have celebrate celebrated? must you have celebrate celebrated? must he have celebrate celebrated? must we have celebrate celebrated? must you have celebrate celebrated? must they have celebrate celebrated?	must I have been celebrate celebrating? must you have been celebrate celebrating? must he have been celebrate celebrating? must we have been celebrate celebrating? must you have been celebrate celebrating? must they have been celebrate celebrating?

Interro-negative form

Simple form	V-ing form
must I not celebrate celebrate? must you not celebrate celebrate? must he not celebrate celebrate? must we not celebrate celebrate? must you not celebrate celebrate? must they not celebrate celebrate?	must I not be celebrate celebrating? must you not be celebrate celebrating? must he not be celebrate celebrating? must we not be celebrate celebrating? must you not be celebrate celebrating? must they not be celebrate celebrating?
Perfect	V-ing perfect
must I not have celebrate celebrated? must you not have celebrate celebrated? must he not have celebrate celebrated? must we not have celebrate celebrated? must you not have celebrate celebrated? must they not have celebrate celebrated?	must I not have been celebrate celebrating? must you not have been celebrate celebrating? must he not have been celebrate celebrating? must we not have been celebrate celebrating? must you not have been celebrate celebrating? must they not have been celebrate celebrating?