Conjugación del verbo inglés
CAN GREASE

Verbo regular: grease - greased - greased

Afirmación

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

Negación

Forma simple	Forma con V-ing
I cannot grease you cannot grease he cannot grease we cannot grease you cannot grease they cannot grease	I cannot be greasing you cannot be greasing he cannot be greasing we cannot be greasing you cannot be greasing they cannot be greasing
Perfecto	Perfecto con V-ing
I cannot have greased you cannot have greased he cannot have greased we cannot have greased you cannot have greased they cannot have greased	I cannot have been greasing you cannot have been greasing he cannot have been greasing we cannot have been greasing you cannot have been greasing they cannot have been greasing

Forma interrogativa

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

Forma interro-negativa

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