may creak
Verbo regular: creak - creaked- creaked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may creak
you may creak
he may creak
we may creak
you may creak
they may creak 	I may be creaking
you may be creaking
he may be creaking
we may be creaking
you may be creaking
they may be creaking	I may have creaked
you may have creaked
he may have creaked
we may have creaked
you may have creaked
they may have creaked	I may have been creaking
you may have been creaking
he may have been creaking
we may have been creaking
you may have been creaking
they may have been creaking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not creak
you may not creak
he may not creak
we may not creak
you may not creak
they may not creak 	I may not be creaking
you may not be creaking
he may not be creaking
we may not be creaking
you may not be creaking
they may not be creaking	I may not have creaked
you may not have creaked
he may not have creaked
we may not have creaked
you may not have creaked
they may not have creaked	I may not have been creaking
you may not have been creaking
he may not have been creaking
we may not have been creaking
you may not have been creaking
they may not have been creaking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I creak?
may you creak?
may he creak?
may we creak?
may you creak?
may they creak? 	may I be creaking?
may you be creaking?
may he be creaking?
may we be creaking?
may you be creaking?
may they be creaking? 	may I have creaked?
may you have creaked?
may he have creaked?
may we have creaked?
may you have creaked?
may they have creaked? 	may I have been creaking?
may you have been creaking?
may he have been creaking?
may we have been creaking?
may you have been creaking?
may they have been creaking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not creak?
may you not creak?
may he not creak?
may we not creak?
may you not creak?
may they not creak? 	may I not be creaking?
may you not be creaking?
may he not be creaking?
may we not be creaking?
may you not be creaking?
may they not be creaking? 	may I not have creaked?
may you not have creaked?
may he not have creaked?
may we not have creaked?
may you not have creaked?
may they not have creaked? 	may I not have been creaking?
may you not have been creaking?
may he not have been creaking?
may we not have been creaking?
may you not have been creaking?
may they not have been creaking?