may congratulate
Verbo regular: congratulate - congratulated- congratulated

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not congratulate
you may not congratulate
she may not congratulate
we may not congratulate
you may not congratulate
they may not congratulate 	I may not be congratulating
you may not be congratulating
she may not be congratulating
we may not be congratulating
you may not be congratulating
they may not be congratulating	I may not have congratulated
you may not have congratulated
she may not have congratulated
we may not have congratulated
you may not have congratulated
they may not have congratulated	I may not have been congratulating
you may not have been congratulating
she may not have been congratulating
we may not have been congratulating
you may not have been congratulating
they may not have been congratulating	

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

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