二年级下册英语课件-Unit 4 Traffic Lights Lesson 20 冀教版（一起）(共17张PPT)

Lesson 20 Unit 4 Traffic Lights 1 Lead-in Where is the man? It is at the crossroad. Lead-in What can you see at the crossing? Traffic lights. Lead-in Traffic lights have colors. 3 How many colors do the traffic lights have ? Presentation red light green light yellow light Practice red light green light yellow light Traffic lights Presentation Red light. Stop. Green light. Go. Yellow light. Wait. There are traffic lights. Practice Red light. Stop. Green light. Go. Yellow light. Wait. Practice Red light. Green light. Yellow light. Stop. Go. Wait. Presentation Red light, red light. Stop. Stop. Stop. Green light, green light. Go! Go! Go! Yellow light, yellow light. Wait. Wait. Wait. Presentation Red light, red light. Stop. Stop. Stop. Green light, green light. Go! Go! Go! Yellow light, yellow light. Wait. Wait. Wait. Presentation What do you see? Presentation I see red light. Presentation I see green light. Summary Words: traffic lights, stop, wait, red, green, yellow.