初中英语九年级全册Unit1Howcanweb单元同步语法精讲精练课件 人教新目标版 11页

Unit 1　How can we become good learners? 第三课时　(Grammar Focus4c)—单元同步语法精讲精练 ►“by＋v.ing形式”表示“以，靠，借助，通过，用(某种方法或手段)” 达到某种目的或得到某种结果。对此方式状语提问，应用how。该结构常用 于回答“How do you”？或“How can I”？之类的问句。 eg：—How do you learn English？你怎样学习英语？ —By reading English newspapers and magazines.通过读英语报纸和杂志。 —How can I turn on the computer？我怎样才能打开电脑？ —By pressing this button.通过按这个按钮。 【拓展】by的其他意思 ①“by＋交通工具/方式名词”意为“通过……，乘坐……”，表示交通 方式。如by train/taxi/bus/bike/boat/plane，by land/road/sea/air等。 eg：He goes to school by bus every day.他每天乘公交上学。 ②“by＋时间名词”意为“在……以前，不迟于……”，表示时间。如 by now/then/next Friday/two o'clock等。 eg：You must finish your homework by 5 p．m.你必须在下午5点前完成 你的家庭作业。 ③“by＋地点名词”意为“在……旁边，靠近……”，表示 位置，此时可与beside换用。如by the lake/river/window/door等。 eg：Tom，come in and sit by me.汤姆，进来坐在我旁边。 ④by还有“经过”的意思。 eg：walk/pass/go by走过/经过/经过 ⑤“by＋反身代词”意为“独自，亲自”。 eg：by myself我独自，我自己 1．动名词作主语，此时谓语动词用第三人称单数形式。 eg: Learning maths well isn't easy.学好数学不容易。 【注意】此种结构也可改为“It's＋adj.＋to do sth.”。其中it是形式主语， 动词不定式是真正的主语。上面的句子也可以表述为： It's not easy to learn maths well.学好数学不容易。 2．动名词作宾语，一般放在某一及物动词或介词之后。 (1)后接动名词作宾语的动词有：finish, enjoy, practice, keep, stand(忍受) 等。 eg: I enjoy singing.我喜欢唱歌。 (2)动名词作介词的宾语，包括以介词结尾的动词短语，如：give up, be good at, take part in等。 eg: He is good at dancing.他擅长跳舞。 一、单项选择。 1．—_________ do you know so much about the UFO? —I usually get the information by using the Internet. A．How　 　B．What　　C．Which 　　D．Where 2．The two kids practice spoken English __________ joining the English club.(易错题) A．by B．in C．on D．with A A 3．(临沂中考)When President Xi Jinping has spare time, he enjoys _______ and sports. A．read B．reads C．to read D．reading 4．—_______ do you usually go to school，Simon? —By bike. A．When B．How C．What D．Where 5．—It's getting cold.Would you mind _______ the window? —Of course not. A．close B．to close C．closed D．closing D B D 二、按要求完成下列句子，每空一词。(原创题) 6．李强通过大声朗读来学习英语。(翻译句子) Li Qiang learns English ________ _________ _________. 7．杰克害怕独自一人待在家里。(翻译句子) Jack is afraid to stay at home ______ ___________. 8．沿河的树木都很高。(翻译句子) The trees _______ ________ _________ are all tall. 9．He learned songs by listening to tapes．(对画线部分提问) ______ ________ he _________ songs? by reading aloud by himself by the river How did learn 本课时其他知识点精讲精练 ►repeat动词，意为“重复；重做”。 eg：Please repeat what I said.请把我说的话再重复一遍。 ►note作名词，意为“笔记；记录”，常用短语take notes，意为“做笔 记”；作动词意为“注意，指出”。 eg：Please note that the movie starts at 7 o'clock.请注意，电影七点开映。 ► keep a diary写日记 1．My favorite subject is ____________(物理)． 2．Jack thinks his ______________ (化学) teacher is very funny.So he likes him a lot. 3．It's very important to take n__________ in class. 4．______________ (memorize) the words may help you study English. 5．Li Ming，you can practice listening by listening to a tape and r________ out loud. physics chemistry otes Memorizing epeating