could squeak
Verbo regular: squeak - squeaked- squeaked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could squeak
you could squeak
he could squeak
we could squeak
you could squeak
they could squeak 	I could be squeaking
you could be squeaking
he could be squeaking
we could be squeaking
you could be squeaking
they could be squeaking	I could have squeaked
you could have squeaked
he could have squeaked
we could have squeaked
you could have squeaked
they could have squeaked	I could have been squeaking
you could have been squeaking
he could have been squeaking
we could have been squeaking
you could have been squeaking
they could have been squeaking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not squeak
you could not squeak
he could not squeak
we could not squeak
you could not squeak
they could not squeak 	I could not be squeaking
you could not be squeaking
he could not be squeaking
we could not be squeaking
you could not be squeaking
they could not be squeaking	I could not have squeaked
you could not have squeaked
he could not have squeaked
we could not have squeaked
you could not have squeaked
they could not have squeaked	I could not have been squeaking
you could not have been squeaking
he could not have been squeaking
we could not have been squeaking
you could not have been squeaking
they could not have been squeaking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I squeak?
could you squeak?
could he squeak?
could we squeak?
could you squeak?
could they squeak? 	could I be squeaking?
could you be squeaking?
could he be squeaking?
could we be squeaking?
could you be squeaking?
could they be squeaking? 	could I have squeaked?
could you have squeaked?
could he have squeaked?
could we have squeaked?
could you have squeaked?
could they have squeaked? 	could I have been squeaking?
could you have been squeaking?
could he have been squeaking?
could we have been squeaking?
could you have been squeaking?
could they have been squeaking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not squeak?
could you not squeak?
could he not squeak?
could we not squeak?
could you not squeak?
could they not squeak? 	could I not be squeaking?
could you not be squeaking?
could he not be squeaking?
could we not be squeaking?
could you not be squeaking?
could they not be squeaking? 	could I not have squeaked?
could you not have squeaked?
could he not have squeaked?
could we not have squeaked?
could you not have squeaked?
could they not have squeaked? 	could I not have been squeaking?
could you not have been squeaking?
could he not have been squeaking?
could we not have been squeaking?
could you not have been squeaking?
could they not have been squeaking?