must congratulate
Verbo regular: congratulate - congratulated- congratulated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must congratulate
you must congratulate
she must congratulate
we must congratulate
you must congratulate
they must congratulate 	I must be congratulating
you must be congratulating
she must be congratulating
we must be congratulating
you must be congratulating
they must be congratulating	I must have congratulated
you must have congratulated
she must have congratulated
we must have congratulated
you must have congratulated
they must have congratulated	I must have been congratulating
you must have been congratulating
she must have been congratulating
we must have been congratulating
you must have been congratulating
they must have been congratulating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't congratulate
you mustn't congratulate
she mustn't congratulate
we mustn't congratulate
you mustn't congratulate
they mustn't congratulate 	I mustn't be congratulating
you mustn't be congratulating
she mustn't be congratulating
we mustn't be congratulating
you mustn't be congratulating
they mustn't be congratulating	I mustn't have congratulated
you mustn't have congratulated
she mustn't have congratulated
we mustn't have congratulated
you mustn't have congratulated
they mustn't have congratulated	I mustn't have been congratulating
you mustn't have been congratulating
she mustn't have been congratulating
we mustn't have been congratulating
you mustn't have been congratulating
they mustn't have been congratulating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I congratulate?
must you congratulate?
must she congratulate?
must we congratulate?
must you congratulate?
must they congratulate? 	must I be congratulating?
must you be congratulating?
must she be congratulating?
must we be congratulating?
must you be congratulating?
must they be congratulating? 	must I have congratulated?
must you have congratulated?
must she have congratulated?
must we have congratulated?
must you have congratulated?
must they have congratulated? 	must I have been congratulating?
must you have been congratulating?
must she have been congratulating?
must we have been congratulating?
must you have been congratulating?
must they have been congratulating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I congratulate?
mustn't you congratulate?
mustn't she congratulate?
mustn't we congratulate?
mustn't you congratulate?
mustn't they congratulate? 	mustn't I be congratulating?
mustn't you be congratulating?
mustn't she be congratulating?
mustn't we be congratulating?
mustn't you be congratulating?
mustn't they be congratulating? 	mustn't I have congratulated?
mustn't you have congratulated?
mustn't she have congratulated?
mustn't we have congratulated?
mustn't you have congratulated?
mustn't they have congratulated? 	mustn't I have been congratulating?
mustn't you have been congratulating?
mustn't she have been congratulating?
mustn't we have been congratulating?
mustn't you have been congratulating?
mustn't they have been congratulating?