Question

un dialogo con los bervos can may could

Answer 1

Can: 
1. We all can change the world (todos podemos cambiar el mundo).
2. Can you speak Chinese? (¿hablas Chino?)
Could: 
1. I think I could do it if you want (creo que podría hacerlo si quieres).
2. And now, who could help me? (y ahora, ¿quién podría ayudarme?)

May: 
1. He may do whatever he wants (que haga lo que quiera), (él puede hacer lo que quiera).
2. Let them say what they may (que digan lo que quieran)

Might: 
1. It think it might rain (creo que puede llover)
2. I have something I think you might want (tengo algo que probablemente tú quieres)
Must: 
1. I must go now, I'm sorry (Debo irme ahora, lo siento)
2. You must do your homework! (¡debes hacer tu tarea!)

Have to: 
1. You have to tell me!, don't be mean! (¡tienes que decirme!, ¡no seas malo!)
2. ask someone else! I don't have to do your homework (¡pídeselo a alguien más!, yo no tengo que hacer tu tarea)

Should: 
1. You should go and see a doctor (deberías ir a ver a un doctor)
2. Don't ask others to do what you should do (no le pidas a otros hacer lo que tú deberías hacer)

Answer 2

Can/could/may/will/would
* We use Can I…?, Could I…?, May I..? to ask for, give and refuse permission.
Can/Could/May I go to the party?
Yes, you can/may
No, you can’t/may not
* We use Can I…?, Could I…?, May I..? to offer help and make request.
Can/Could/May I help you?
Can/Could/May I have some more cake?
* We use Can/Could/Will/Would you…? to make polite request andask for a favour. Could and Would are more polite.