聚焦高考—it精练与解析.ppt

聚焦高考—it精练与解析 梳理it用法 精练与解析 I. 代词 it a. 用作人称代词, 代替前文提到的事物。 My watch is missing. I can’t find (it) anywhere． Her father has gone abroad. Have you heard about (it)? It’s forty years since my hometown was liberated． It’s summer now． How far is it from here to the airport？ It’s about twenty minutes’ walk from here to the bus stop． II. 引导词： a. 作形式主语, 代替由不定式, 动名词或从句表示的真正主语。其基本句型为： It (形式主语) +adj. + to+ v. It (形式主语) +adj. + that (subject (主语)+v. ) ① It is very important to help each other． ② It is no use / useless going there again． ③ It’s not decided yet when they will leave for Shanghai． ④ It seems that he has caught a cold. =He seems to have caught a cold． b. 作形式宾语, 代替由不定式、动名词或从句表示的真正宾语。其主要基本句型为: 主语＋谓语＋it (形式宾语)＋宾语补足语＋to do sth. (doing sth. 或that从句). ④ Do you think ___? difficult to work out this maths problem? A. that? ?B. very? ? C. yourself? D. it ⑤ Having been there many times, ___to find Mr. Wang’s house. A .it was easy for him B. for him it was easy C. he found it easy D. he found easy c. 用在强调句型中, 为了强调句子的某一成分(通常是主语、宾语或状语), 常用结构: It is / was ＋被强调部分＋that (who) …. I met Tom in the street yesterday． ⑤ ____?she had arrived home that she remembered her appointment (预约) with the doctor. A. It was not until B. Not until it was ? C. Not until D. Until it was not 1. It ___ for this reason ___ her uncle moved out of New York. A. is ... which B. was ... why C. was ... that D. were ... How 2. It was ___ he said at the meeting __ disappointed me. A. what.., that B. that.., that C. what.., what D. that.., what 3. ---Wasn’t it Dr. Li who spoke to you just now? --- ______ . A. I didnt know he was B. Yes, he did C. No,