Conjugación del verbo inglés
COULD GREASE

Verbo regular: grease - greased - greased

Afirmación

Forma simple	Forma con V-ing
I could grease you could grease she could grease we could grease you could grease they could grease	I could be greasing you could be greasing she could be greasing we could be greasing you could be greasing they could be greasing
Perfecto	Perfecto con V-ing
I could have greased you could have greased she could have greased we could have greased you could have greased they could have greased	I could have been greasing you could have been greasing she could have been greasing we could have been greasing you could have been greasing they could have been greasing

Negación

Forma simple	Forma con V-ing
I could not grease you could not grease she could not grease we could not grease you could not grease they could not grease	I could not be greasing you could not be greasing she could not be greasing we could not be greasing you could not be greasing they could not be greasing
Perfecto	Perfecto con V-ing
I could not have greased you could not have greased she could not have greased we could not have greased you could not have greased they could not have greased	I could not have been greasing you could not have been greasing she could not have been greasing we could not have been greasing you could not have been greasing they could not have been greasing

Forma interrogativa

Forma simple	Forma con V-ing
could I grease? could you grease? could she grease? could we grease? could you grease? could they grease?	could I be greasing? could you be greasing? could she be greasing? could we be greasing? could you be greasing? could they be greasing?
Perfecto	Perfecto con V-ing
could I have greased? could you have greased? could she have greased? could we have greased? could you have greased? could they have greased?	could I have been greasing? could you have been greasing? could she have been greasing? could we have been greasing? could you have been greasing? could they have been greasing?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not grease? could you not grease? could she not grease? could we not grease? could you not grease? could they not grease?	could I not be greasing? could you not be greasing? could she not be greasing? could we not be greasing? could you not be greasing? could they not be greasing?
Perfecto	Perfecto con V-ing
could I not have greased? could you not have greased? could she not have greased? could we not have greased? could you not have greased? could they not have greased?	could I not have been greasing? could you not have been greasing? could she not have been greasing? could we not have been greasing? could you not have been greasing? could they not have been greasing?