could fettle
Verbo regular: fettle - fettled- fettled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could fettle
you could fettle
he could fettle
we could fettle
you could fettle
they could fettle 	I could be fettling
you could be fettling
he could be fettling
we could be fettling
you could be fettling
they could be fettling	I could have fettled
you could have fettled
he could have fettled
we could have fettled
you could have fettled
they could have fettled	I could have been fettling
you could have been fettling
he could have been fettling
we could have been fettling
you could have been fettling
they could have been fettling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not fettle
you could not fettle
he could not fettle
we could not fettle
you could not fettle
they could not fettle 	I could not be fettling
you could not be fettling
he could not be fettling
we could not be fettling
you could not be fettling
they could not be fettling	I could not have fettled
you could not have fettled
he could not have fettled
we could not have fettled
you could not have fettled
they could not have fettled	I could not have been fettling
you could not have been fettling
he could not have been fettling
we could not have been fettling
you could not have been fettling
they could not have been fettling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I fettle?
could you fettle?
could he fettle?
could we fettle?
could you fettle?
could they fettle? 	could I be fettling?
could you be fettling?
could he be fettling?
could we be fettling?
could you be fettling?
could they be fettling? 	could I have fettled?
could you have fettled?
could he have fettled?
could we have fettled?
could you have fettled?
could they have fettled? 	could I have been fettling?
could you have been fettling?
could he have been fettling?
could we have been fettling?
could you have been fettling?
could they have been fettling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not fettle?
could you not fettle?
could he not fettle?
could we not fettle?
could you not fettle?
could they not fettle? 	could I not be fettling?
could you not be fettling?
could he not be fettling?
could we not be fettling?
could you not be fettling?
could they not be fettling? 	could I not have fettled?
could you not have fettled?
could he not have fettled?
could we not have fettled?
could you not have fettled?
could they not have fettled? 	could I not have been fettling?
could you not have been fettling?
could he not have been fettling?
could we not have been fettling?
could you not have been fettling?
could they not have been fettling?