1、,Unit 4 Road safety,traffic lights,a zebra crossing,green man,cross the road,policeman(復(fù)數(shù))policemen,red man,pavement 人行道,wait on the pavement,other people,cross the road with other people,We can .,What can we do?,What can we do?,We can . We should. We shouldnt.,What can we do?,We should. We shouldnt

2、.,We must（必須）. We mustnt.,must not=mustnt不得,At the zebra crossing. (T/F),1. We should cross the road at the zebra crossing.( ) 2. We can cross the road when we see the red man. ( ) 3. We can cross the road when we see the green man.( ) 4. We can cross the road at any time.( ),T,F,T,F,When no zebra c

3、rossing around.,1. Where must we wait before we cross the road? 2. What should we do when we wait? 3.How should we look out for the cars? 4.Is it a good idea to cross the road with other people? Why?,We should wait on the pavement.,We should look out for cars and bikes.,We must first look left, then

4、 right and then left again.,The drivers can see us easily.,When theres no zebra crossing around.,We should wait on the pavement.,We should look out for cars and bikes.,We must first look left, then right and then left again.,We can cross the road with other people. The drivers can see us easily.,When theres no zebra crossing around.,We should .,We should .,We must first., the