may cement
Verbo regular: cement - cemented- cemented

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may cement
you may cement
she may cement
we may cement
you may cement
they may cement 	I may be cementing
you may be cementing
she may be cementing
we may be cementing
you may be cementing
they may be cementing	I may have cemented
you may have cemented
she may have cemented
we may have cemented
you may have cemented
they may have cemented	I may have been cementing
you may have been cementing
she may have been cementing
we may have been cementing
you may have been cementing
they may have been cementing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not cement
you may not cement
she may not cement
we may not cement
you may not cement
they may not cement 	I may not be cementing
you may not be cementing
she may not be cementing
we may not be cementing
you may not be cementing
they may not be cementing	I may not have cemented
you may not have cemented
she may not have cemented
we may not have cemented
you may not have cemented
they may not have cemented	I may not have been cementing
you may not have been cementing
she may not have been cementing
we may not have been cementing
you may not have been cementing
they may not have been cementing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I cement?
may you cement?
may she cement?
may we cement?
may you cement?
may they cement? 	may I be cementing?
may you be cementing?
may she be cementing?
may we be cementing?
may you be cementing?
may they be cementing? 	may I have cemented?
may you have cemented?
may she have cemented?
may we have cemented?
may you have cemented?
may they have cemented? 	may I have been cementing?
may you have been cementing?
may she have been cementing?
may we have been cementing?
may you have been cementing?
may they have been cementing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not cement?
may you not cement?
may she not cement?
may we not cement?
may you not cement?
may they not cement? 	may I not be cementing?
may you not be cementing?
may she not be cementing?
may we not be cementing?
may you not be cementing?
may they not be cementing? 	may I not have cemented?
may you not have cemented?
may she not have cemented?
may we not have cemented?
may you not have cemented?
may they not have cemented? 	may I not have been cementing?
may you not have been cementing?
may she not have been cementing?
may we not have been cementing?
may you not have been cementing?
may they not have been cementing?