人教版(新教材)高中英語選修1Unit5 Working the Land學(xué)案2：Grammar

1、Unit 5 Working the LandGrammar主語從句一、主語從句的基本用法1.主語從句的引導(dǎo)詞K觀察例句That you are coming to London is the best news I have heard this long time.你將要來倫敦是這么長時間以來我聽到的最好的消息。Whether it will do us harm remains to be seen.它是否對我們有害還有待觀察。What I have seen today has made a very deep impression on me.今天我的所見所聞給我留下了非常深刻的印象

2、。Whoever breaks this law deserves a fine.觸犯本法者應(yīng)予以罰款。Whichever(of you)comes in first will receive a prize.(你們中)誰先進(jìn)來誰就會得獎。When we will have a meeting is an important question.我們何時舉行一次會議是個重要的問題。Where we shall do the test is still under discussion.我們在什么地方做這個測試還在討論中。K歸納用法IK名師點津I主語從句中連接詞的選擇技巧類別例詞說明附屬連詞tha

3、t, whether兩者在從句中均不作成分，只起連接作用；that 無頭義,whether表小“是否”。連接代詞who, what, which,whoever, whatever 等在從句中作主語、賓語、表語、定語等成分。連接副詞when, where, how, why等在從句中作時間、地點、方式、原因狀語等成 分。根據(jù)連接詞在從句中所作的語法成分。(2)根據(jù)連接詞在從句中的意義。K即學(xué)即練1用whether, that, whoever填空she became an artist may have been due to her fathers influence.we will hol

4、d a party in the open air tomorrow depends on the weather.Every year,makes the most beautiful kite will win a prize in the Kite Festival.2.it作形式主語K觀察例句工It*s possible that he has been to Beijing.他有可能去過北京。Its a pity that you didn*t attend the meeting.你沒參加這次會議太可惜了。It seems that it is going to rain.看起來好

5、像要下雨。It is important that he should know about this.他應(yīng)該知道此事是重要的。It is suggested that the meeting be put off.有人建議會議延期召開。K歸納用法1為保持句子平衡，常把主語從句后置，而用形式主語it代替。it作形式主語時常用于以 下句型:句型說明It+系動詞+形容詞+主語從句常用于此句型的形容詞有important, (un)likely, possible, necessary, natural, wrong 等。It+系動詞+名詞+主語從句常用于此句型的名詞有fact, idea, hon

6、our, question, pity 等。It +系動詞+過去分詞+主語從句常用于此句型的過去分詞，有known, proved, said, decided, suggested, thought 等。It+不及物動詞+主語從句常用于此句型的動詞有appear, happen, seem, occur, matter 等。K名師點津(1)在“It + be +過去分詞+主語從句”結(jié)構(gòu)中，過去分詞假設(shè)為 suggested/ordered/required/advised 等,主語從句中的謂語用”(should)do”。(2)在“It+be+形容詞+主語從句”結(jié)構(gòu)中，假設(shè)形容詞為import

7、ant/necessary/strange等， 主語從句中的謂語用“(should)do oK即學(xué)即練2完成句子很可惜你不能來參加我的生日聚會。that you can*t attend my birthday party.有人建議這位老人到鄉(xiāng)村休息一下。that the old man should go to the countryside to have a rest.在我看來你好像不贊成這個計劃。that you disagree with the plan.二、主語從句中應(yīng)注意的問題.從句要用陳述語序How he succeeded is still a puzzle.他是如何成功的

8、仍然是個謎。.主謂一致(1)從句作主語時，主句的謂語一般用單數(shù)形式。Where he will get a job after graduation has puzzled him much.畢業(yè)后到哪兒找一份工作使他很困惑。K名師點津dwhat引導(dǎo)主語從句時，有時主句謂語動詞應(yīng)與主句中作表語的名詞保 持一致。What the school needs most are books.這所學(xué)校最需要的是書。(2)如果由and連接兩個或兩個以上的主語從句作主語時，謂語動詞用復(fù)數(shù)；由兩個或 多個連接詞引導(dǎo)一個主語從句時，謂語動詞用單數(shù)。When they will start and where they will go have not been decided yet.他們將在什么時候動身以及要去哪里還沒定下來。When and where they will hold the meeting is not clear.他們何時何地召開會議還不清楚。K即學(xué)即練3單句語法填空When we will set off(be)still under discussion.When and where the meet