could overextract
Verbo regular: overextract - overextracted- overextracted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could overextract
you could overextract
he could overextract
we could overextract
you could overextract
they could overextract 	I could be overextracting
you could be overextracting
he could be overextracting
we could be overextracting
you could be overextracting
they could be overextracting	I could have overextracted
you could have overextracted
he could have overextracted
we could have overextracted
you could have overextracted
they could have overextracted	I could have been overextracting
you could have been overextracting
he could have been overextracting
we could have been overextracting
you could have been overextracting
they could have been overextracting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't overextract
you couldn't overextract
he couldn't overextract
we couldn't overextract
you couldn't overextract
they couldn't overextract 	I couldn't be overextracting
you couldn't be overextracting
he couldn't be overextracting
we couldn't be overextracting
you couldn't be overextracting
they couldn't be overextracting	I couldn't have overextracted
you couldn't have overextracted
he couldn't have overextracted
we couldn't have overextracted
you couldn't have overextracted
they couldn't have overextracted	I couldn't have been overextracting
you couldn't have been overextracting
he couldn't have been overextracting
we couldn't have been overextracting
you couldn't have been overextracting
they couldn't have been overextracting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I overextract?
could you overextract?
could he overextract?
could we overextract?
could you overextract?
could they overextract? 	could I be overextracting?
could you be overextracting?
could he be overextracting?
could we be overextracting?
could you be overextracting?
could they be overextracting? 	could I have overextracted?
could you have overextracted?
could he have overextracted?
could we have overextracted?
could you have overextracted?
could they have overextracted? 	could I have been overextracting?
could you have been overextracting?
could he have been overextracting?
could we have been overextracting?
could you have been overextracting?
could they have been overextracting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I overextract?
couldn't you overextract?
couldn't he overextract?
couldn't we overextract?
couldn't you overextract?
couldn't they overextract? 	couldn't I be overextracting?
couldn't you be overextracting?
couldn't he be overextracting?
couldn't we be overextracting?
couldn't you be overextracting?
couldn't they be overextracting? 	couldn't I have overextracted?
couldn't you have overextracted?
couldn't he have overextracted?
couldn't we have overextracted?
couldn't you have overextracted?
couldn't they have overextracted? 	couldn't I have been overextracting?
couldn't you have been overextracting?
couldn't he have been overextracting?
couldn't we have been overextracting?
couldn't you have been overextracting?
couldn't they have been overextracting?