may counteract
Verbo regular: counteract - counteracted- counteracted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may counteract
you may counteract
he may counteract
we may counteract
you may counteract
they may counteract 	I may be counteracting
you may be counteracting
he may be counteracting
we may be counteracting
you may be counteracting
they may be counteracting	I may have counteracted
you may have counteracted
he may have counteracted
we may have counteracted
you may have counteracted
they may have counteracted	I may have been counteracting
you may have been counteracting
he may have been counteracting
we may have been counteracting
you may have been counteracting
they may have been counteracting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not counteract
you may not counteract
he may not counteract
we may not counteract
you may not counteract
they may not counteract 	I may not be counteracting
you may not be counteracting
he may not be counteracting
we may not be counteracting
you may not be counteracting
they may not be counteracting	I may not have counteracted
you may not have counteracted
he may not have counteracted
we may not have counteracted
you may not have counteracted
they may not have counteracted	I may not have been counteracting
you may not have been counteracting
he may not have been counteracting
we may not have been counteracting
you may not have been counteracting
they may not have been counteracting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I counteract?
may you counteract?
may he counteract?
may we counteract?
may you counteract?
may they counteract? 	may I be counteracting?
may you be counteracting?
may he be counteracting?
may we be counteracting?
may you be counteracting?
may they be counteracting? 	may I have counteracted?
may you have counteracted?
may he have counteracted?
may we have counteracted?
may you have counteracted?
may they have counteracted? 	may I have been counteracting?
may you have been counteracting?
may he have been counteracting?
may we have been counteracting?
may you have been counteracting?
may they have been counteracting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not counteract?
may you not counteract?
may he not counteract?
may we not counteract?
may you not counteract?
may they not counteract? 	may I not be counteracting?
may you not be counteracting?
may he not be counteracting?
may we not be counteracting?
may you not be counteracting?
may they not be counteracting? 	may I not have counteracted?
may you not have counteracted?
may he not have counteracted?
may we not have counteracted?
may you not have counteracted?
may they not have counteracted? 	may I not have been counteracting?
may you not have been counteracting?
may he not have been counteracting?
may we not have been counteracting?
may you not have been counteracting?
may they not have been counteracting?