2019-2020年人教版高中英語必修三教學(xué)案：Unit 4 Section 3(含答案).doc

《2019-2020年人教版高中英語必修三教學(xué)案：Unit 4 Section 3(含答案).doc》由會員分享，可在線閱讀，更多相關(guān)《2019-2020年人教版高中英語必修三教學(xué)案：Unit 4 Section 3(含答案).doc（5頁珍藏版）》請在裝配圖網(wǎng)上搜索。

2019-2020年人教版高中英語必修三教學(xué)案：Unit 4 Section 3(含答案) 語法圖解 探究發(fā)現(xiàn) ①What it was to bee was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. ②The earth became so violent that it was not clear whether the shape would last or not. ③What is even more important is that as the earth cooled down, water began to appear on its surface. ④It was not immediately obvious that water was to be fundamental to the development oflife. ⑤What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. ⑥So whether life will continue on the earth for millions of years to e will depend on whether this problem can be solved. [我的發(fā)現(xiàn)] (1)以上黑體部分在句中作主語。 (2)①句中的what在從句中作表語，但⑤句中的what在從句中作賓語；③句中的what在從句中作主語。 (3)②⑥句中的whether意為：是否。 (4)④句中it是形式主語，真正的主語是后面that引導(dǎo)的從句。 一、定義 在主從復(fù)合句中充當(dāng)主語的從句即為主語從句。 What made people excited was that the solar ship had pleted aroundtheworld trip. 讓人們激動的是太陽能船已完成了環(huán)游世界的旅行。 It worried the woman that her son was always playing puter games. 兒子一直在玩電腦游戲，這讓這個女人很擔(dān)心。 二、主語從句的連接詞及其句法功能 1．連接詞that和whether/if (1)that在從句中不充當(dāng)任何句子成分，本身無任何意義，只起連接作用，但不可省略。 That she survived the accident is a miracle. 她在事故中幸免于難簡直是奇跡。 (2)whether/if在從句中不充當(dāng)任何句子成分，起連接作用，意為“是否”，不可省略。 Whether the plan will be carried out is still unknown. ＝It is still unknown if/whether the plan will be carried out. 這個計劃是否會實施還不知道。 [名師點津]　whether引導(dǎo)的主語從句既可放在句首也可放在句尾，但if引導(dǎo)的主語從句只能放在句尾，前面需用it作形式主語。 [即時演練1]　補全句子 ①That_she_could_e_to_help_us made us very happy. 她能來幫助我們使我們很高興。 ②Whether_she_is_ing_or_not doesnt matter too much. 她來不來都無關(guān)緊要。 2．連接代詞(who, whose, whom, what, which, whichever, whoever, whomever, whatever等) 連接代詞引導(dǎo)主語從句，在從句中可以作主語、賓語、表語或定語。 Whichever (of you) es in first will receive a prize. 無論(你們)誰先到都可以得獎。 Who will go to the concertis not known. 不知道誰會去聽音樂會。 Whatever you do in your spare time should do no harm to others. 無論你在業(yè)余時間做什么都不應(yīng)該傷害其他人。 [名師點津]　who 引導(dǎo)的主語從句表示一件“事情”，而whoever引導(dǎo)的主語從句指“人”。 3．連接副詞(when, where, how, why等) 連接副詞引導(dǎo)主語從句并在從句中作狀語。 How this happened is not clear to anyone. 這件事怎樣發(fā)生的，誰也不清楚。 When we will have a meeting is an important question. 我們何時舉行會議是個重要的問題。 Where I spend my summer is no business of yours. 我在哪里過暑假不關(guān)你的事。 [名師點津]　名詞性從句引導(dǎo)詞的確定步驟： (1)分析句式結(jié)構(gòu)，明確名詞性從句在句中的功能； (2)明確名詞性從句所表達的意義； (3)明確名詞性從句中所需要的成分及意義； (4)確定從句的引導(dǎo)詞。 [即時演練2]　用適當(dāng)?shù)倪B接代詞或連接副詞填空 ①How it was done was a mystery. ②Why John was late for the class has been unexplained. ③Which part of the country he will travel to needs discussing. ④Where/When the English evening will be held has not yet been decided. ⑤What surprises me most is that he is too proud. ⑥Whoever is interested in the activity can sign your names. 三、主語從句中用it作形式主語的結(jié)構(gòu) 1．It＋be＋形容詞(obvious, true, natural, strange, etc.)＋主語從句 It is important that he should know about this. 他應(yīng)該知道此事是重要的。 [名師點津]　在“It＋be＋形容詞＋主語從句”結(jié)構(gòu)中，若形容詞為important/necessary/strange等，主語從句中的謂語用“(should) do”。 2．It＋be＋名詞詞組(no wonder, an honour, a pity, a/no surprise, etc.)＋主語從句 Its a pity that he didnt e. 很遺憾他沒來。 3．It ＋be＋過去分詞(said, reported, thought, expected, proved, etc.)＋主語從句 It is suggested that the meeting be put off. 有人建議會議延期召開。 [名師點津]　在“It＋be＋過去分詞＋主語從句”結(jié)構(gòu)中，過去分詞若為suggested/ordered/required/advised等，主語從句中的謂語用“(should) do”。 4．It＋不及物動詞(happen, seem, appear, remain, etc.)＋主語從句 It seems that it is going to rain. 看起來好像要下雨。 5．It＋及物動詞＋賓語＋主語從句 It surprised him why they came to visit him suddenly. 讓他吃驚的是他們?yōu)槭裁赐蝗欢紒砜此? [即時演練3]　 (1)補全句子 ①Its_a_pity that you cant attend my birthday party. 很可惜你不能參加我的生日聚會。 ②Its_suggested that the old man should go to the countryside to have a rest. 建議這位老人到鄉(xiāng)村休息一下。 ③It_seems_to_me that you disagree with the plan. 在我看來，你好像不贊成這個計劃。 ④It is doubtful whether_she_will_be_able_to_e_to_the_party. 她是否能來參加聚會還很難說。 ⑤It_happened_that the harvest was bad that year. 碰巧那年收成不好。 (2)句型轉(zhuǎn)換(每空一詞) ①That he suddenly fell ill last month surprised us. →Itsurprisedusthat he suddenly fell ill last month. ②Whether they will sell the house hasnt been yet decided. →Ithasntbeendecidedyetwhether they will sell the house. ③That light travels in straight lines is known to us all. →Itisknowntousallthat light travels in straight lines. 四、主語從句中應(yīng)注意的問題 1．從句要用陳述語序 What we will do nextshould be decided. 應(yīng)該決定一下我們下一步該做什么。 2．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 puzzledhim much. 畢業(yè)后到哪兒找份工作使他很困惑。 [名師點津]　what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。 [即時演練4]　用所給詞的適當(dāng)形式填空 ①What surprised me most was (be) that the man in rags was a millionaire. ②What he needs most is (be) money. ③When and where the meeting will be held has_been_decided (decide) already. ④That the coal workers are still alive is (be) a wonder. Ⅰ.單句語法填空 1．Who will be in charge of the pany is a mystery. 2．Whether we will hold a party tomorrow depends on the weather. 3．Where cars will be parked in the future is a question. 4．It is very important that a student (should) learn English well. 5．It is a pity that you missed the film. 6．What made her happy was that she won the game in such an important match. 7．Whoever breaks the law should be punished. 8．What role he will play in the film hasnt been known. Ⅱ.單句寫作 1．(xx天津高考書面表達)What_impresses_us_most_are (給我們印象最深的是) your art skills, in which you showed outstanding talent. 2．(xx湖南卷書面表達)What_surprises_us_most_is (讓我們最吃驚的是) that the water can remain at that temperature for about twenty hours. 3．(xx浙江卷書面表達)What_we_need_most_are (我們最需要的是) popular science books. 4．That_he_will_attend_the_meeting (他將要參加會議) has excited every one of us. 5．(廣東高考作文)It_is_reported_that (據(jù)報道) about 30 volunteers who are at least 18 years old will be chosen from all over the world to go to the Mars by the year of xx. Ⅲ.語法填空(用適當(dāng)?shù)倪B接詞完成下面短文) Everyone knew 1.that Wendy was a famous writer, but no one knew 2.where she came from and 3.whether she was born in 1961 was still a mystery. 4.What they did know was 5.that she was loved by poor people because she always helped 6.whoever was in need of money. Wendy was generous and helpful, but some people thought she was chasing fame. Wendy said she didnt understand 7.why they were so narrowminded, but it didnt matter 8.what others thought of her. She just wanted to do 9.what(ever) she thought was right. I think that is 10.where the meaning of life lies.