10. " How much do you think it will cost?" he said.

Step3 Discovering useful structures

Ⅰ.Request and command

　　Open your books-------------command

　　Please open your books.------ request (polite)

　　Can you open your books please? --------request (polite)

　　Could / would you please open you books? --------request (polite)

1. Make clear the difference between commands and requests and finish the following exercises:

1） Go and collect the wood right now.

2） Could you go and get the shopping bags, please?

3） Shut the door at once.

4） Go and get my coat.

5） Would you please get that book for me?

2. Summary

　 commands requests

Close the door! Please ...........

Get me something to eat! Would you please.......

Speak louder.......... Could you please......

3. Change the commands into requests.

Close the door! Speak louder! Keep silent! Get me something to drink

Ⅱ.Change a command into an Indirect Speech.

told sb (not) to do sth

"Open the window,"the teacher said to the students .

---------The teacher told the students to open the window.

"Don't open the window," the teacher said to the students.

----------The teacher told the students not to open the window.

Ⅲ.Change a request into an Indirect Speech

ask(ed) sb (not) to do sth

"Open the window, please," the teacher said to the students.

--------The teacher asked the students to open the window.