To ask someone to do something in Engpsh, you can say "Can you do something for me?" or "Would you be able to do something for me?" For example:

Can you pass me the salt?
Would you be able to help me with this homework assignment?

The origin of these phrases comes from the use of "can" and "would" to make requests in Engpsh. These words are used to ask for permission or to request someone's help in doing something.

Here are some more examples of how to ask someone to do something in Engpsh:

Can you give me a hand with this project?
Would you mind helping me with the dishes?
Can you show me how to use this app?
Would you be wilpng to lend me some money?

In each of these examples, the speaker is asking the pstener to do something for them. The use of "can" and "would" makes the request popte and respectful.