单形式选主语：
真正的主语
• 1.It is difficult for me _to__fin_i_sh_ so much work within one night. Can you help me?
句子成分
主语（subject）: 句子叙述的主体，一般位于句首
• The sun rises in the east. （名词）
• He likes dancing.
（代词）
• Twenty years is a short ti is believing. （动名词）
you like． （主谓）祈使句,省略主语you
• 4. Luckily the 1989 earthquake did not happen in the center of town. （主谓）
• 5. There are many people in the hall.（主） • 6. Would you please pass me the cup? （主谓）
主语小测
• 找出下面句子的主语
• 1. Our school is not far from my home. • 2. It is a great pleasure to talk with you. • 3.Cleaning the house needs a lot of time.
单选：
• The plane took off at 10 o’clock. • How often do you go shopping? • Why didn’t you e back last night?
简单谓语：由一个动词或动词短语构成
• You may keep the book for two weeks.
breakfast?
• ⑥ Tom didn't do his homework yesterday.
• ⑧ We had better send for a doctor. • ⑨ He is interested in music. • ⑩ Whom did you give my book to?
• 祈使句： • 1.省略主语you • 2.谓语动词用原形
找出下列句子的谓语
• ① I don't like the picture on the wall. • ② The days get longer and longer when
summer es. • ③ Do you usually go to school by bus? • ⑤ Did the twins have porridge for their
• To see is to believe. （不定式）
• What he needs is a book.
形式主语
（主语从句）
• It is very clear that the elephant is round and tall like a tree.
真正主语
It =that the elephant is round and tall like a tree.
• 介词不能作主语
② T•Thheerreeiissaann oalpdpmleaonnitnhgehtearbele. . •An apple is there on the table.
• ③ The useful dictionary was given by my mother last year. ④ To do today's homework without the teacher's help is very difficult..
谓语（predicate）:是对主语加以陈述，表 示主语的行为或状态，常用动词或者动词词 组担任，放在主语的后面。
• I love you!
• They went to sleep very late last night.
• He practises running every morning.
1.Mary with her two daughters _____ going to Shanghai for Explo 2010 next month. A. are B. was C. is D. were 2.____ more exercise does good to your health. A. Do B. Does C. Did D. Doing 3.____ is impossible to finish this job before Wednesday. A. That B. This C. It D. They.
• The rich should help the poor.
名词化的形容词
V.不能做主语！
• 1.Do exercise is good for your health.
• 2.Eat too much meat is bad for your health.
指出下列句中主语的中心词
① The teacher with two of his students is walking into the classroom.
• He has caught a bad cough. • We are sudents. • That idea sounds great!
•复合谓语：1.情态动词\助动词+v
•
2.系动词+adj.
• Open the door, please! • Go and get some water for me. • Don’t laugh at others! • Don’t e back late tonight.
• 11. Put away your books right now!
主谓小测
• 按要求找出下列句子的主谓： • 1. Trees turn green when spring es. （主谓） • 2. He broke a piece of glass. （谓） • 3. Don’t get nervous，and help yourself to what