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 can't fast you can't fast she can't fast we can't fast you can't fast they can't fast	I can't be fasting you can't be fasting she can't be fasting we can't be fasting you can't be fasting they can't be fasting
Perfecto	Perfecto con V-ing
I can't have fasted you can't have fasted she can't have fasted we can't have fasted you can't have fasted they can't have fasted	I can't have been fasting you can't have been fasting she can't have been fasting we can't have been fasting you can't have been fasting they can't 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't I fast? can't you fast? can't she fast? can't we fast? can't you fast? can't they fast?	can't I be fasting? can't you be fasting? can't she be fasting? can't we be fasting? can't you be fasting? can't they be fasting?
Perfecto	Perfecto con V-ing
can't I have fasted? can't you have fasted? can't she have fasted? can't we have fasted? can't you have fasted? can't they have fasted?	can't I have been fasting? can't you have been fasting? can't she have been fasting? can't we have been fasting? can't you have been fasting? can't they have been fasting?