Module 7 Unit 3 Language in use知识点梳理外研版九年级英语上册

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Module 7 Unit 3 Language in use知识点梳理外研版九年级英语上册

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Unit 3 Language in use
★ 重点知识点解析
1. turn round 扭转,使好转=turn around
【拓展】
turn (a)round还意为“转身“
与turn有关的短语
① turn on 打开
② turn up 调高(音量)等;露面
③ turn off 关掉
④ turn down 调低,关小
⑤ turn into 变成
⑥ turn over 翻身;翻转
⑦ turn out 证明是,结果是
【例句】
◆我转身看到了我的英语老师。
I turned (a)round and saw my English teacher.
2. in return 作为回报
【归纳】return 名词,意为“回报“ ※ in return for ”作为对……的回报“
【例句】
◆他给了我们食物和衣服,没有要求任何回报。
He gave us food and clothing and asked for nothing in return.
3. used to do sth. 过去常常做某事
【辨析】used to do sth. / be used to do sth. / be used to (doing) sth.
used to do sth. “ 过去常常做某事“。表示过去习惯性的动作/状态,不与过去时间连用;
be used to do sth. “被用来做某事”,强调用途
be used to (doing) sth. “习惯于(做)某事,to+名词/代词/动词-ing形式。
【例句】
◆我过去常常周末去公园跑步,但现在我习惯于打乒乓球。
I used to run in the park at weekends, but now I am used to playing table tennis.
★ 重点语法解析
一般现在时的被动语态
一般现在时被动语态的句式
肯定句:主语+am/is/are+动词过去分词(+by+动作执行者).
否定句:主语+am/is/are+not+动词过去分词(+by+动作执行者).
一般疑问句:Am/Is/Are+主语+动词过去分词(+by+动作执行者)?
特殊疑问句:特殊疑问词+am/is/are+主语+动词过去分词(+by+动作执行者)?
【例句】
◆The car is made by an Italian company.
◆The car is not made by an Italian company.
◆Is the car made by an Italian company
◆When is the car made by an Italian company
主动语态和被动语态的转换方式
确定主动语态中的主语,谓语和宾语;
把主动语态中的宾语变为被动语态的主语。若主动语态的宾语是人称代词,宾格变主格;
把主动语态的谓语变成“be+动词过去分词”结构,时态不变;
把主动语态的主语放在被动语态by后作宾语。若主语是人称代词,主格变宾格。
主动语态 I clean the classroom.
主语 谓语 宾语
被动语态 The classroom is cleaned by me.
主语 谓语 by+宾语
【提醒】含有介词/副词的动词短语变为被动语态时,介词/副词不可省。
【例句】
◆Honey is collected from the flowers by the bees.
◆My pet dog is looked after by my friend.
三. 适合被动语态的情况
1. 当动作执行者不必/不易说出时;
2. 需要突出动作的承受者时;
3. 文章标题/广告/新闻等用语常用被动语态。
【例句】
◆那些熊猫每天早上都吃竹子。
◆英语老师被所有学生喜爱。
◆招聘英语老师。
The pandas are fed with bamboo every morning.
The English teacher is loved by all the students.
English Teachers wanted.
四. 不可使用被动语态的情况
1. 系动词get/turn/become/seem/look/sound/smell/taste/feel等后+形容词作表语时,其主动语态表被动含义;
2. 动词need/want/be worth等后+动词-ing形式时,其主动语态表被动含义;
3. 某些及物动词wirte/wash/sell/tread/wear/drive等,它们主语为物时,其主动语态表被动含义;
4. 不及物动词/词组没有被动语态,如happen/appear/disappear/last/take place等。
五.特殊句型的被动语态
1. 含双宾语的主动结构变被动结构
【例句】
◆我朋友给我一只钢笔。
My friend gives a pen.
I am given a pen by my friend.
A pen is given to me by my friend.
2. 主动语态中含有复合宾语
【例句】
◆我们发现她正在教室里唱歌。
We found her singing in the classroom.
She is found singing in the classroom (by us).
3. 主动语态中,使役动词have/make/let等或感官动词see/watch/notice/hear等后+省略to的动词不定式,改被动语态时把to还原
【例句】
◆我经常看见她下课后弹钢琴。
I often see her play the piano after class.
She is often seen to play the piano after class.

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