Conjugación del verbo inglés COULD TOUGH
Verbo regular: tough - toughed - toughed
Afirmación
Forma simple
I could toughyou could tough
he could tough
we could tough
you could tough
they could tough
Forma con V-ing
I could be toughingyou could be toughing
he could be toughing
we could be toughing
you could be toughing
they could be toughing
Perfecto
I could have toughedyou could have toughed
he could have toughed
we could have toughed
you could have toughed
they could have toughed
Perfecto con V-ing
I could have been toughingyou could have been toughing
he could have been toughing
we could have been toughing
you could have been toughing
they could have been toughing
Negación
Forma simple
I couldn't toughyou couldn't tough
he couldn't tough
we couldn't tough
you couldn't tough
they couldn't tough
Forma con V-ing
I couldn't be toughingyou couldn't be toughing
he couldn't be toughing
we couldn't be toughing
you couldn't be toughing
they couldn't be toughing
Perfecto
I couldn't have toughedyou couldn't have toughed
he couldn't have toughed
we couldn't have toughed
you couldn't have toughed
they couldn't have toughed
Perfecto con V-ing
I couldn't have been toughingyou couldn't have been toughing
he couldn't have been toughing
we couldn't have been toughing
you couldn't have been toughing
they couldn't have been toughing
Forma interrogativa
Forma simple
could I tough?could you tough?
could he tough?
could we tough?
could you tough?
could they tough?
Forma con V-ing
could I be toughing?could you be toughing?
could he be toughing?
could we be toughing?
could you be toughing?
could they be toughing?
Perfecto
could I have toughed?could you have toughed?
could he have toughed?
could we have toughed?
could you have toughed?
could they have toughed?
Perfecto con V-ing
could I have been toughing?could you have been toughing?
could he have been toughing?
could we have been toughing?
could you have been toughing?
could they have been toughing?
Forma interro-negativa
Forma simple
couldn't I tough?couldn't you tough?
couldn't he tough?
couldn't we tough?
couldn't you tough?
couldn't they tough?
Forma con V-ing
couldn't I be toughing?couldn't you be toughing?
couldn't he be toughing?
couldn't we be toughing?
couldn't you be toughing?
couldn't they be toughing?
Perfecto
couldn't I have toughed?couldn't you have toughed?
couldn't he have toughed?
couldn't we have toughed?
couldn't you have toughed?
couldn't they have toughed?
Perfecto con V-ing
couldn't I have been toughing?couldn't you have been toughing?
couldn't he have been toughing?
couldn't we have been toughing?
couldn't you have been toughing?
couldn't they have been toughing?