九年级英语全册Unit6Whenwasitinvented核心必备句型详解素材新版人教新目标版

Unit6 核心必备句型详解1. When was it invented? 它是何时发明的？本句用于询问某个物品的发明时间，结构为“When + was+某项物品+invented？”，其中was invented是一般过去时的被动语态，其基本结构是“was/were + 过去分词”【备课例句】This book was bought yesterday. 这本书是昨天买的。【横向辐射】几种基本时态的被动语态1.一般现在时：am/is/are +过去分词Football is played all over the world. 足球运动遍及全世界。2.一般过去时：was/were + 过去分词This book was bought yesterday. 这本书是昨天买的。3.一般将来时：will be +过去分词The class meeting will be held tomorrow. 班会将在明天开。4.现在进行时：am/is/are +being +过去分词Our teaching building is being built now. 我们的教学楼正在兴建中。5.过去进行时：was/were + being +过去分词The bus wasnt being repaired by me then. 那时这辆车不是由我修的。6.现在完成时：have/has + been +过去分词The work has been finished by them. 这项工作已经被他们做完了。【课堂变式】1.We _not to play computer games. A. are told B. have told C. told D. tell 【解析】tell sb. not to do sth.意为“告诉某人不要做某事”，这里的主语we是tell这个动作的承受者，故应用被动语态，应选。2.Will you come to the dinner party?I wont come unless Jenny _.A. will be invited B. can be invited C. invited D. is invited【解析】在unless引导的条件状语从句中，主句用一般将来时，从句应用一般现在时来表示将来。根据句意“如果詹妮没有得到邀请，我就不会来。”确定选D。3. Im sorry you cant go in now. The room _ yet. A. hasnt been cleaned B. hasnt cleaned C. isnt been cleaned D. isnt being cleaned【解析】由Im sorry you cant go in now.可知房间还没有打扫，再加上the room是clean这个动作的承受者，应用现在完成时的被动语态，故选。4. A talk on science _ in our school next Monday. A. will give B. will be given C. has given D. has been given【解析】主语A talk 是动词give的承受者，应用被动语态。再根据next Monday 确定用一般将来时，故选。2. In England, tea didnt appear until around 1660.在英国，茶直到1660年才出现。此句是由until引导的时间状语从句。not. until 意为“直到才”。【备课例句】She didnt leave until I felt better.只到我感觉好点了，她才离开。【横向辐射】until的用法until常用作介词或连词，用来引导介词短语或从句在句子中作时间状语。1. 在肯定句中，until与延续性、持续性动词连用，表示“直到为止”。I worked until late in the afternoon. 我一直干到下午很晚的时候。2. 在否定句中，until常与瞬间动词、短暂性动词连用，表示“直到才”，“不到不”。The rain didnt stop until midnight. 雨直到半夜才停。I wont leave until you promise to help me. 你不答应帮助我，我不会离开。【课堂变式】How was your climbing Mount. Huang?I didnt believe I could do it _I got to the top.A. until B. while C. after D. and【解析】考查连词用法。notuntil直到才。根据句意“直到我爬到山顶我才相信我能做到”可知选A。3.George wanted to make the customer happy. 乔治想让顾客开心。句中的make意为“使得”，happy是形容词，作宾语you的补足语，对宾语起补充说明作用，常用的结构为“make名词/代词形容词”。 【备课例句】The bad news makes her sad. 那个坏消息使得她伤心不已。A boy broke the window. It made the headmaster angry. 一个孩子打碎了玻璃。这使得校长很生气。【温馨提示】当宾语是不定式短语或从句时，多用it作形式宾语。I made it a condition that everybody must be on time. 我提出一个条件，人人都要准时。The heavy rain made it impossible for us to go out. 大雨使得我们无法出去。【横向辐射】make的其他相关句式1.“make宾语n”意为使/让某人 / 某物(成为)”。【例句】We made him captain of our football team. 我们推选他作我们足球队队长。We made him our monitor. 我们选他当班长。2.“make宾语do sth”意为“使某人做某事”。 在被动语态中，此类结构中省略的动词不定式 to 要还原。【例句】Our teacher makes us feel more confident. 老师使得我们感到更自信了。The boy was made to work twelve hours a day. 这个男孩被迫每天干十二个小时的活。【课堂变式】What do you think her ? A. make; sad B. makes; sadly C. made; sad D. made; sadly【解析】what 作主语时，谓语动词要用第三要称单数形式，可排除A。再根据“make + sb. / sth. + adj.”确定选C。sadly是副词形式。4. It is believed that the first basketball game in history was played on December 21st, 1891,. 人们认为1891年12月21日是历史上的第一次篮球比赛的日子。本句中的It is believed that. 相当于people believe that.是“人们相信/认为”的意思，that引导的是主语从句。It is believed that by the year 2020, the population of the world will be seven billion.(=People believe that by the year 2020, the population of the world will be seven billion.)人们都认为到2020年，世界人口将达到七十亿。【横向辐射】类似的结构：