二年级下册英语课件-Unit 4 Green Light. Go! Lesson 21 冀教版（一起）(共17张PPT)

Lesson 21 Unit 4 Green Light. Go! 1 Lead-in red light green light yellow light Traffic lights Lead-in Red light. Green light Yellow light. Stop. . Go. Wait. Lead-in Red light, red light. Stop. Stop. Stop. Green light, green light. Go! Go! Go! Yellow light, yellow light. Wait. Wait. Wait. Presentation It’s a green light. Let’s go! Presentation Stop! It’s a red light. Presentation Let’s play! Okay. Let’s go! No. Don’t play on the street. Practice red light green light yellow light Practice We can cross the road when the traffic light is _____. green Practice We must stop when the traffic light is ________. red Practice We must wait when the traffic light is ________. yellow Practice Red light. Green light. Yellow light. Stop. Go. Wait. Practice It’s a red light. Go! Let’s play on the street. It’s a yellow light. Run! It’s a green light. Go! Don’t play on the street. It’s a yellow light. Wait! √ √ √ Presentation Make a car and traffic lights. Summary Words: play, street.