人教版 九年級全冊 Unit 3 Section B 2a-2d(Language points)

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1、 1. convenient adj. 意為“便利的; 方便的”, 常用于句型“It+ be+ convenient (+for sb.) +to do sth.”中。如： It is simple and convenient for old people to use this kind of mobile phone. A bicycle is often more convenient than a car in big cities. 【運用】 1) Traveling around big cities by taxi can cost a lot of money, but it

2、s usually _ to take the underground train to most places. A. amazing B. expensive C. convenient D. exciting 2) It is _ for me to go shopping. There is a new supermarket near my home. A. difficult B. important C. impossible D. convenient 2. Both are correct, but the first one sounds less polite. less

3、+形容詞或副詞, 構成降級比較形式, 相當于中文“不那么; 稍許不”之意。如: 他的第二部電影就沒那么有趣。(翻譯) His second movie is less interesting. polite作形容詞，意為“有禮貌的；客氣的”。be polite to sb. 意為“對某人有禮貌”。如：Please be polite to our guests.Its polite to do sth. 意為“做某事是有禮貌的”。如：Its polite to say “Thank you”. 【拓展】 polite的副詞形式為politely，意為“有禮貌地；客氣地”。polite的反義詞是

4、impolite，意為“不禮貌的；粗魯?shù)摹?。如?The girl told me politely that her mother was not at home. Its impolite to refuse others directly. 【運用】 I. 根據(jù)所給提示，將下列句子翻譯成英語。 1) 瑪麗(Mary)對她的老師很有禮貌。(be polite to sb.) 2) 為別人開門是禮貌的。(Its polite to do sth.) 3) 那個小男孩客氣地向我尋求幫助。(politely) Mary is polite to her teachers.Its polite t

5、o open doors for others. The little boy asked me for help politely. II. 根據(jù)句意，寫出所缺單詞。 1) It is p to say “thank you” when someone has helped you. 2) Tom thinks people will help him if he asks for help (polite). 3) Talking loudly in a library, a museum, or a movie theater is (不禮貌 的). olite politelyimpo

6、lite 3. It might seem more difficult to speak politely than directly. 情態(tài)動詞might表達一種可能性及推測的 不確定性。意思與表達可能性的may相當, 表示“有可能, 也許會”, 但語氣更加委婉, 更不確定。如： 他也許會來，但非?？坎蛔?。(翻譯) He might come, but its very unlikely. 【運用】根據(jù)提示將下列漢語句子翻譯成英語。1) 爸爸也許知道如何發(fā)動那臺機器。(might)2) 他可能及時趕到了那兒，但我不確定。 (might) Dad might know how to star

7、t that machine. He might get there in time, but I am not sure. 4. However, it is important to learn how to use the right language in different situations. it作形式主語 如果主語是較長的動詞不定式或一個句子, 為了保持句子結構的平衡, 避免頭重腳輕, 通常用it作形式主語放在句首, 而把真正的主語放在句尾。 常見的句型有：1) It is + adj. (+ _ + sb.) + to do sth. 常用于此句型的形容詞有importan

8、t, difficult, dangerous, necessary, useful, possible等, 用來對to do sth. 進行說明。如： Its difficult for us to finish the work in an hour. for 2) It is + adj. + _ + sb. + to do sth. 常用于此句型的形容詞有good, kind, nice, clever, wise等, 用來對sb.的性 格、品質等進行說明。 如：Its kind of you to say so.of 5. whom 仔細觀察下列例句，思考whom的用 法，然后補全結

9、論部分所缺內容。 【例句】 1) I dont know whom / who Linda will invite. 2) Whom / Who are you talking with? 3) To whom did you give the pen, John? 【結論】whom是who的賓格形式，用作疑問代詞，意為“誰；什么人”。通過觀察以上例句我們可知，whom在句中可作_詞或介詞的賓語。由例句1和例句2我們可知，在口語或非正式用法中，whom往往可以被who代替。由例句3我們可知，如果whom緊接在_詞之后，則不能被who代替。 動介 【運用】 根據(jù)句意用who或whom填空。 1) _ are the children talking about? 2) With _ did Mary go shopping last Sunday? Whom / Who whom