M7U3_Grammar 助動詞

1、Grammar and usageAuxiliary verbs(助動詞)1）協(xié)助主要動詞構成謂語動詞詞組的詞叫助動詞(Auxiliary Verb)。被協(xié)助的動詞稱作主要動詞(Main Verb)。 助動詞自身沒有詞義，不可單獨使用。 He doesnt like smoking. 2）助動詞協(xié)助主要動詞完成以下功用，可以用來：）助動詞協(xié)助主要動詞完成以下功用，可以用來： (找出助動詞并思考用途找出助動詞并思考用途) a.表示時態(tài)表示時態(tài) He is singing. He has got married. Your dream will come true. b. 表示語態(tài)表示語態(tài) He

2、was sent to England. c. 構成疑問句構成疑問句 Do you like college life? d. 與否定副詞與否定副詞not合用，構成否定句合用，構成否定句 I dont like him. e. 加強語氣，強調謂語動詞加強語氣，強調謂語動詞 He did know that. f. 構成虛擬語氣構成虛擬語氣 If I lived in London, I would go to London Bridge.2）助動詞協(xié)助主要動詞完成以下功用，可以用來：）助動詞協(xié)助主要動詞完成以下功用，可以用來： (找出助動詞并思考用途找出助動詞并思考用途) 1. I will

3、be speaking against the Internet.2. Too much information has not been evaluated.（找出句中的所有助動詞）（找出句中的所有助動詞）Tip: 除情態(tài)助動詞之外，其他助動詞可以除情態(tài)助動詞之外，其他助動詞可以有多個同時出現(xiàn)在謂語中。有多個同時出現(xiàn)在謂語中。will be has not been 一句話是否只能有一個助動詞？一句話是否只能有一個助動詞？1、助動詞be（am, is, are, was, were, being, been）的用法 She is _(V.). 思考：動詞可能會以什么形式出現(xiàn)？（1） 進行時態(tài)

4、：Be+V-ing She is _(read) a book now.（2）被動語態(tài)：Be+V-ed She is _(invite) to attend the meeting.readinginvited（3）be + to do，構成將來時1）表示事先商定、安排或準備要做的事情The students were told that they _ at the school gate at 2:00 the following afternoon. A. met B. will meet C. were to meet D. were met C一般一旦確定，不輕易更改。2）表示“應該“

5、，同should，ought toYou are to be back before 5.You are not to smoke in this room.3） be +to do,不定式做表語,表示主語和表語在概念上是等同的。My dream is to enter a key university. His plan is to clean the room. My wish is to be a doctor. 4）表示可能性）表示可能性 。She was nowhere to be found. Such books are to be found in the library._

6、he _ tomorrow, I would go to meet him at the station. A. Were; to come B. Was; coming C. Did; come D. Would; come A5）用于“if 主+were to do”，表示虛擬假設。助動詞助動詞have的用法的用法:1) have +過去分詞過去分詞，構成，構成_。如。如：完成時態(tài)完成時態(tài)I have studied English for ten years.我已經學英語十年了。我已經學英語十年了。English _ by me for ten years. 2) have + been

7、 +現(xiàn)在分詞現(xiàn)在分詞，構成，構成_.I have been studying English for ten years. 我我一直一直在學英語，已達十年之久。在學英語，已達十年之久。完成進行時態(tài)完成進行時態(tài)has been studied 助動詞助動詞do 的用法的用法:1) 構成否定祈使句。構成否定祈使句。不要這不要這么么緊張緊張。說明說明:構成否定祈使句只用構成否定祈使句只用do,不用不用did和和does。2)放在動詞原形前放在動詞原形前, 表表_。 我我確確實實喜喜歡歡過過它。它。3）構成一般疑問句）構成一般疑問句你覺得困嗎？你覺得困嗎？強調強調Dont be so nervous.

8、I did like it.4)代代替剛出現(xiàn)過的動詞，避免重復替剛出現(xiàn)過的動詞，避免重復He knows how to drive a car, _he?He loves animals as much as I _.doesntdoDo you feel sleepy?情態(tài)助動詞情態(tài)助動詞也稱情態(tài)動詞，輔助動詞來體現(xiàn)情態(tài)助動詞也稱情態(tài)動詞，輔助動詞來體現(xiàn)情感態(tài)度，有情感態(tài)度，有must, may, can, should等，與等，與前幾類助動詞不同，前幾類助動詞不同，每個情態(tài)助動詞有自己的不同意義及用途，可自成一體，是高考語，可自成一體，是高考語法的一大重點。法的一大重點。Page 41 E

9、xercise A1. The president is to speak on TV tonight.2. I am going to attend a meeting in a week.3. He was about to go out when it rained.4. Its getting late. I have (got) to go now.5. They are supposed to be at school before 8.6. I used to love cats, until I was attacked by a black cat last week.7. I would sooner walk to t