新版pep六年级英语上册Unit2-B-Lets-learn（最新编写-修订版）.ppt

Unit2 Ways to go to school Part B Lets learn,light,traffic lights,,lights,They are traffic lights.,What colors are they?,red,yellow,green,a,light,What colour is the traffic light?Can you guess?,What does the red light mean?,Stop and wait,at a red light.,,表示的意思,What colour is the traffic light?,What should we do when the traffic light is green?,,Go at a green light.,What color is the traffic light ?,What should we do when the traffic light is yellow?,Slow down and stop,at a yellow light.,Slow down and stop 慢下来并停下。

小贴士：slow(反义词)fast down(反义词)up,,,Game time,,,,,,Slow down and stop! Stop and wait! Lets go!,,,,,,,,,,,,,What are they?,Slow down and stop at yellow light. Stop and wait at a red light. Go at a green light.,,,They are traffic rules.,,交通规则,,Mike: Look! The park is over there! Lets go!,Mrs Smith: Please wait! Its red now. We must stop and wait.,nature park,,必须,在那儿,如何用must表示必须做某事,句型结构：主语+must+动词原形（+其他） Must 是情态动词，意为“必须”，语气很强烈，没有人称和数的变化，后面接动词原形 例：We must finish our homework first. 我们必须先完成我们的家庭作业。

If the light is red, you must___________. 2. If the light is green, you must___________. 3. If the light is yellow, you must___________.,Slow down and stop,go,Stop and wait,来填一填!,。