Unit 1 My classroomPart B Let’s talk & Let’s playSing an English songI say, you do and then repeat.Open the door, open the door. Let’s open the door.Turn on the light, turn on the light. Let’s turn on the light.Close the window, close the window. Let’s close the window.Put up the picture, put up the picture. Let’s put up the picture.Clean the blackboard, clean the blackboard. Let’s clean the blackboard.Look and say.classroomblackboardlightpicturedoorteacher’s deskstudent’s deskteacher’s deskWhat’s this?It’s a teacher’s desk.Yes, but it is dirty. Let’s clean the teacher’s desk.the teacher’s deskwindowsblackboarddoorcleancleanOur classroom is messy. Let’s clean the classroom.Let’s clean the desks and chairs, A, B.two, three or many peopleLet’s = Let usLet’s/ Let us clean the classroom/...Let’s/ Let us clean the classroom/...Let me… Let him… Let her…only one personthe teacher’s deskwindowsblackboarddoor Let me clean the Let me clean the Who can help us?Who can help us?Let me help you.Let me help you.Who can you see in the picture?Wu Yifan, Mike, John and Zhang Peng.Where are they?They are in the classroom.What are they doing in the classroom?They are cleaning the classroom.Listen and choose.1. Who can clean the classroom? A. Wu Yifan. B. Wu Yifan, Mike, John and Zhang Peng.2. Who can clean the teacher’s desk? A. Zhang Peng. B. Wu Yifan.3. Who can clean the windows? A. John. B. Amy.4. Can Mike carry the water? A. Yes, he can. B. No, he can’t.5. Who can help him? A. John. B. Zhang Peng.Read and role-playLet’s clean the classroom!OK.Let me clean the teacher’s desk.Let me clean the windows.Let me help you.Thank you.Look and say the sentences.Let’s ______. / Let me ______.Let’s ______. / Let me ______.Let’s ______. / Let me ______.Let’s ______. / Let me ______.Let’s playclean the classroomclean the windowsclean the desksclean the blackboardclean the teacher's deskclean the doorLet’s clean the classroom!OK.Let me clean the teacher’s desk.Let me clean the blackboard.Make a dialogueGrandma Wang is ill. Her house is messy. Can we help her? A: Let’s clean Grandma Wang’s house. BCD: OK.B: Let me…C: Let me…D: Let me…A: Let’s begin.Grandma Wang is happy now.I’m also very happy that you’re helpful at school. I think you’re helpful at home, too. Please help your parents at home!Blackboard designUnit 1 My classroomLet’s clean the classroom.let’s=let usclassroomwindowblackboarddoorlightpictureLet me clean the windows.clean the teacher’s ....Homework1. Practice the dialogue.2. Help your parents at home.3. Do the exercises.