Warm up Warm up Warm up 1 Clean

Warm up

Warm up

Warm up 1. Clean the blackboard. 2. Clean the wall. 3. Clean the door. 4. Clean the desks. 5. Clean thechairs. 6. Clean the teacher's desk.

Do you know teacher's desk 讲台

Warm up 1. Clean the blackboard. 2. Clean the wall. 3. Clean the door. 4. Clean the desks. 5. 6. Clean the teacher's desk.

lead in This classroom is dirty（脏的）. Let's clean the classroom.

Do you know 1. let's =let us 让我们 2. let me 让我

lead in 1. Where are they? In the classroom. 2. What are they going to do? A. Clean the classroom. B. Play a game.

Presentation Let's clean the classroom. OK. Let's =Let us

Presentation Let's clean the classroom. OK. Let's =Let us

Presentation Let me clean the teacher's desk. Let me clean the windows.

Presentation Let me help you. Thank you.

Do you know help 帮 助 Let me help you!

Exercises light picture blackboard door window

Exercises 1. Let _____ help you. A. me B. my C. I 2. Let's clean the ______ desk. A. teacher B. teacher's C. teacher' 3. —Let's clean the classroom. —_______ A. Yes, please. B. OK. C. Thanks

Sum-up Classmates should help each other. （同学间应该相互帮助）

Homework 1. 你能用Let's ，let me说几个句子吗？试着说一说。 2. 写 5个以Let's. . . Let me. . . 开头的句子。 如：Let's clean the classroom. Let's play a game. Let me eat a banana. .