could fettle
Verbo regular: fettle - fettled- fettled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't fettle
you couldn't fettle
he couldn't fettle
we couldn't fettle
you couldn't fettle
they couldn't fettle 	I couldn't be fettling
you couldn't be fettling
he couldn't be fettling
we couldn't be fettling
you couldn't be fettling
they couldn't be fettling	I couldn't have fettled
you couldn't have fettled
he couldn't have fettled
we couldn't have fettled
you couldn't have fettled
they couldn't have fettled	I couldn't have been fettling
you couldn't have been fettling
he couldn't have been fettling
we couldn't have been fettling
you couldn't have been fettling
they couldn't have been fettling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I fettle?
couldn't you fettle?
couldn't he fettle?
couldn't we fettle?
couldn't you fettle?
couldn't they fettle? 	couldn't I be fettling?
couldn't you be fettling?
couldn't he be fettling?
couldn't we be fettling?
couldn't you be fettling?
couldn't they be fettling? 	couldn't I have fettled?
couldn't you have fettled?
couldn't he have fettled?
couldn't we have fettled?
couldn't you have fettled?
couldn't they have fettled? 	couldn't I have been fettling?
couldn't you have been fettling?
couldn't he have been fettling?
couldn't we have been fettling?
couldn't you have been fettling?
couldn't they have been fettling?