动名词短语做主语.ppt

read in the sun,Reading in the sun is bad for our eyes.,动名词短语做主语,smoke,smoking is bad for our health / lungs.,动名词短语做主语,Wash hands before meals,Washing hands before meals is good for our health.,动名词短语做主语,do morning exercise,Doing morning exercise is good for our health.,动名词短语做主语,Why does Marias father smoke? Because he think smoking can help him relax.,1a,He think smoking can help him relax. help sb. (to) do sth. 帮助某人做某事 I must ask him to give up smoking. ask sb. to do sth. 叫某人做某事 give up doing sth. 放弃做某事,1b,1 You must do morning exercises. 2 You must not / Dont throw litter about. 3 You must not / Dont stay up late at night. 4 You must not / Dont read in the sun. 5 You must wash your hands before meals. 6 You must brush your teeth twice a day.,1c,You must not / Dont walk on the lawn. You must not / Dont take pets to school with you. You must not / Dont climb trees . You must not / Dont throw litter about.,Listen and answer,Is going to school without breakfast good or bad? Must we drink enough water every day?,Its bad.,Yes, we must.,Breakfast gives you energy for the morning. Walking is good exercise and it is necessary for your health. Drink enough water every day.,能量,必要的,足够的,3 work alone,1 remember! Always _ your hands _meal. 2 You _ take pets to school with you. 3 You _ throw litter about. Put it into the dustbin. 4. Dont _ TV too late.,wash,before,mustnt,mustnt,watch,group work,Discussion I / we must I / we mustnt Dont ,