must celebrate
Verbo regular: celebrate - celebrated- celebrated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must celebrate
you must celebrate
she must celebrate
we must celebrate
you must celebrate
they must celebrate 	I must be celebrating
you must be celebrating
she must be celebrating
we must be celebrating
you must be celebrating
they must be celebrating	I must have celebrated
you must have celebrated
she must have celebrated
we must have celebrated
you must have celebrated
they must have celebrated	I must have been celebrating
you must have been celebrating
she must have been celebrating
we must have been celebrating
you must have been celebrating
they must have been celebrating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't celebrate
you mustn't celebrate
she mustn't celebrate
we mustn't celebrate
you mustn't celebrate
they mustn't celebrate 	I mustn't be celebrating
you mustn't be celebrating
she mustn't be celebrating
we mustn't be celebrating
you mustn't be celebrating
they mustn't be celebrating	I mustn't have celebrated
you mustn't have celebrated
she mustn't have celebrated
we mustn't have celebrated
you mustn't have celebrated
they mustn't have celebrated	I mustn't have been celebrating
you mustn't have been celebrating
she mustn't have been celebrating
we mustn't have been celebrating
you mustn't have been celebrating
they mustn't have been celebrating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I celebrate?
must you celebrate?
must she celebrate?
must we celebrate?
must you celebrate?
must they celebrate? 	must I be celebrating?
must you be celebrating?
must she be celebrating?
must we be celebrating?
must you be celebrating?
must they be celebrating? 	must I have celebrated?
must you have celebrated?
must she have celebrated?
must we have celebrated?
must you have celebrated?
must they have celebrated? 	must I have been celebrating?
must you have been celebrating?
must she have been celebrating?
must we have been celebrating?
must you have been celebrating?
must they have been celebrating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I celebrate?
mustn't you celebrate?
mustn't she celebrate?
mustn't we celebrate?
mustn't you celebrate?
mustn't they celebrate? 	mustn't I be celebrating?
mustn't you be celebrating?
mustn't she be celebrating?
mustn't we be celebrating?
mustn't you be celebrating?
mustn't they be celebrating? 	mustn't I have celebrated?
mustn't you have celebrated?
mustn't she have celebrated?
mustn't we have celebrated?
mustn't you have celebrated?
mustn't they have celebrated? 	mustn't I have been celebrating?
mustn't you have been celebrating?
mustn't she have been celebrating?
mustn't we have been celebrating?
mustn't you have been celebrating?
mustn't they have been celebrating?