中考英语to do做主语的基本用法课件

1、不定式to do作主语基本用法I plan to make a big meal for my father.I plan to make a big meal for my father.我计划给我爸爸做一顿大餐。做一顿大餐给我爸爸是我的计划。I plan to make a big meal for my father.我计划给我爸爸做一顿大餐。给我爸爸做一顿大餐是我的计划。To make a big meal for my father is my plan.to do 作主语，表示具体的，一次性的动作。用法To make a big meal for my father is my p

2、lan.to do作主语时，谓语动词用单数。注意练习填空To buy some foods （is/are）my decision.为了避免头重脚轻，常用it作形式主语。注意To buy some foods is my decision. It is my decision.为了避免头重脚轻，常用it作形式主语。注意To buy some foods is my decision. It is my decision to buy some foods.常见句型It is + 形容词 + （for/of sb.） to do当adj.描述事物的性质时，用for。It is lucky for

3、 me to have the discount.当adj.描述人的品质时，用of。It is kind of you to help me.2. It takes sb. some time to do 做某事花费某人多长时间 It takes me one hour to arrive at home on foot.3. It + be + 名词 + to do It is a good idea to buy a car.Itsimportant youwalkaftersupper Aof；toBfor；ofCto；toDfor；to 2. -I often have hamburg

4、ers for lunch. -Its a bad habit too much junk food. A. eat B. to eat C. eating D. to eating练习to do作主语与doing作主语的辨析to do作主语与doing作主语的区别：to do作主语表示具体的，一次性的动作。To cook by myself is not easy.doing作主语表示一般的，经常性的动作。Cooking by myself is a good habit.1. is a good form of exercise for both young and old. A. The

5、 walk B. Walking C. To walk D. Walk with them in this summer camp is wonderful. A. Making friends B. Made friends C. To make friends D. Make friends练习to do作主语基本用法谓语动词用（ ） it作形主3种句型 “形容名词花时间”与doing作主语的辨析to do：（ ） doing：（ ）总结to do作主语基本用法谓语动词用单数it作形主3种句型 “形容名词花时间”与doing作主语的辨析to do：具体的，一次性的动作doing：一般的，经常性的动作练习1. against the COVID-19 needs much effort.A. Fighting B. To fight C. Fight D. Fights2. It only him 20 minutes to his office every day. take; to drive B. to take; to drive C. takes; to driv