Conjugación del verbo inglés
CAN RET

Verbo regular: ret - retted - retted

Afirmación

Forma simple	Forma con V-ing
I can ret you can ret she can ret we can ret you can ret they can ret	I can be retting you can be retting she can be retting we can be retting you can be retting they can be retting
Perfecto	Perfecto con V-ing
I can have retted you can have retted she can have retted we can have retted you can have retted they can have retted	I can have been retting you can have been retting she can have been retting we can have been retting you can have been retting they can have been retting

Negación

Forma simple	Forma con V-ing
I cannot ret you cannot ret she cannot ret we cannot ret you cannot ret they cannot ret	I cannot be retting you cannot be retting she cannot be retting we cannot be retting you cannot be retting they cannot be retting
Perfecto	Perfecto con V-ing
I cannot have retted you cannot have retted she cannot have retted we cannot have retted you cannot have retted they cannot have retted	I cannot have been retting you cannot have been retting she cannot have been retting we cannot have been retting you cannot have been retting they cannot have been retting

Forma interrogativa

Forma simple	Forma con V-ing
can I ret? can you ret? can she ret? can we ret? can you ret? can they ret?	can I be retting? can you be retting? can she be retting? can we be retting? can you be retting? can they be retting?
Perfecto	Perfecto con V-ing
can I have retted? can you have retted? can she have retted? can we have retted? can you have retted? can they have retted?	can I have been retting? can you have been retting? can she have been retting? can we have been retting? can you have been retting? can they have been retting?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not ret? can you not ret? can she not ret? can we not ret? can you not ret? can they not ret?	can I not be retting? can you not be retting? can she not be retting? can we not be retting? can you not be retting? can they not be retting?
Perfecto	Perfecto con V-ing
can I not have retted? can you not have retted? can she not have retted? can we not have retted? can you not have retted? can they not have retted?	can I not have been retting? can you not have been retting? can she not have been retting? can we not have been retting? can you not have been retting? can they not have been retting?