Conjugación del verbo inglés
CAN FAST

Verbo regular: fast - fasted - fasted

Afirmación

Forma simple	Forma con V-ing
I can fast you can fast she can fast we can fast you can fast they can fast	I can be fasting you can be fasting she can be fasting we can be fasting you can be fasting they can be fasting
Perfecto	Perfecto con V-ing
I can have fasted you can have fasted she can have fasted we can have fasted you can have fasted they can have fasted	I can have been fasting you can have been fasting she can have been fasting we can have been fasting you can have been fasting they can have been fasting

Negación

Forma simple	Forma con V-ing
I cannot fast you cannot fast she cannot fast we cannot fast you cannot fast they cannot fast	I cannot be fasting you cannot be fasting she cannot be fasting we cannot be fasting you cannot be fasting they cannot be fasting
Perfecto	Perfecto con V-ing
I cannot have fasted you cannot have fasted she cannot have fasted we cannot have fasted you cannot have fasted they cannot have fasted	I cannot have been fasting you cannot have been fasting she cannot have been fasting we cannot have been fasting you cannot have been fasting they cannot have been fasting

Forma interrogativa

Forma simple	Forma con V-ing
can I fast? can you fast? can she fast? can we fast? can you fast? can they fast?	can I be fasting? can you be fasting? can she be fasting? can we be fasting? can you be fasting? can they be fasting?
Perfecto	Perfecto con V-ing
can I have fasted? can you have fasted? can she have fasted? can we have fasted? can you have fasted? can they have fasted?	can I have been fasting? can you have been fasting? can she have been fasting? can we have been fasting? can you have been fasting? can they have been fasting?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not fast? can you not fast? can she not fast? can we not fast? can you not fast? can they not fast?	can I not be fasting? can you not be fasting? can she not be fasting? can we not be fasting? can you not be fasting? can they not be fasting?
Perfecto	Perfecto con V-ing
can I not have fasted? can you not have fasted? can she not have fasted? can we not have fasted? can you not have fasted? can they not have fasted?	can I not have been fasting? can you not have been fasting? can she not have been fasting? can we not have been fasting? can you not have been fasting? can they not have been fasting?