may thicken
Verbo regular: thicken - thickened- thickened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may thicken
you may thicken
he may thicken
we may thicken
you may thicken
they may thicken 	I may be thickening
you may be thickening
he may be thickening
we may be thickening
you may be thickening
they may be thickening	I may have thickened
you may have thickened
he may have thickened
we may have thickened
you may have thickened
they may have thickened	I may have been thickening
you may have been thickening
he may have been thickening
we may have been thickening
you may have been thickening
they may have been thickening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not thicken
you may not thicken
he may not thicken
we may not thicken
you may not thicken
they may not thicken 	I may not be thickening
you may not be thickening
he may not be thickening
we may not be thickening
you may not be thickening
they may not be thickening	I may not have thickened
you may not have thickened
he may not have thickened
we may not have thickened
you may not have thickened
they may not have thickened	I may not have been thickening
you may not have been thickening
he may not have been thickening
we may not have been thickening
you may not have been thickening
they may not have been thickening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I thicken?
may you thicken?
may he thicken?
may we thicken?
may you thicken?
may they thicken? 	may I be thickening?
may you be thickening?
may he be thickening?
may we be thickening?
may you be thickening?
may they be thickening? 	may I have thickened?
may you have thickened?
may he have thickened?
may we have thickened?
may you have thickened?
may they have thickened? 	may I have been thickening?
may you have been thickening?
may he have been thickening?
may we have been thickening?
may you have been thickening?
may they have been thickening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not thicken?
may you not thicken?
may he not thicken?
may we not thicken?
may you not thicken?
may they not thicken? 	may I not be thickening?
may you not be thickening?
may he not be thickening?
may we not be thickening?
may you not be thickening?
may they not be thickening? 	may I not have thickened?
may you not have thickened?
may he not have thickened?
may we not have thickened?
may you not have thickened?
may they not have thickened? 	may I not have been thickening?
may you not have been thickening?
may he not have been thickening?
may we not have been thickening?
may you not have been thickening?
may they not have been thickening?