Unit 1 语法思维导图及专练-2023-2024学年九年级英语全一册基础知识专项讲练（人教版）

学科网 学种网原创，让学司更容易！ JP.ZXXK.COM 学科网精品频道全力推荐 Unit1 How can we become good learners??(语法讲练) 【知识导图】 by+动名词 通过做某事，方式状语 I learn English by reading novels by+地，点名词 靠近 The policeman Is standing by the window by+交通工具 中可无网，名问用单数 I love travelling by bus by的用法 by+反身代词 独自 The boys leams to ski by himself. by+动作执行者 被语态 The car is washed by the man. y+时间点 武止到；在之前 I have read s books by now. 【要点拓展】 1.“by+时间点”的动词时态： (I)后接过去的时间，多与过去完成时连用。例：They had finished thier work by the end of last week.到上周末他们已经完成了工作。 (2)后接now时，多与现在完成时连用。例：Maybe she has retumned by now,或许现在她已 经回来了。 (3)后接将来的时闻，多与一般将来时或将来完成时连用。例：'ll be there by five o'clock this afternoon.我今天下午五点以前到那里。 2.介词by的其他用法： (I)表示原因（名i词前不加冠词），如by chance、by mistake、by accident、.by luck、by reason of、by design。 They met by chance.他们不期而遇。I did it by mistake,我误做了这件事。 (2)表示通过某种方式（名词前不加冠词），如by phone、by hand、by machine、by radio.。 (3)“by+身体部位名词/衣服名词”表示“被抓住身体/衣物的某一部分”，常与动词catch/seize hold/grab等连用（名词前需加冠词）。 The policeman caught the thief by the arm,警察抓住了小偷的胳膊。 I took him by the hand.我拉着他的手。 (4)用于乘除运算。 6 multiplied by3 equals 18.6乘以3等于18.6 divided by3 equals2.6除以3等于2。 ○©原创精品资源学科网独家享有版权，侵权必究！ 学科网 学网票创，让学司更密易！ JP.ZXXK.COM 学科网精品频道全力推荐 3.by构成的介词知语作方式状语时，对其提问应用疑问词How。 一low do you study for a test?—By working hard.一你是如何准备考试的？一通过努力学 习。 【奇思巧计】 by的用途真不少， 掌握起来却不难。 by若加上“时间点”， 完成时态用得多。 “by+动名词”表方式， 用how提问记心间 “交通工具”若用by, 切记无冠且必单。 “独自”、“单独”是什么， “by+反身代词”来解释. “by+动作执行者”表被动， 定牢牢记心用。 【同步检测】 一、单项选择 1.-How do you study a test? -I study working with a group. A.by;in B.for,by C.for,from D.for,with 2.-Michael,could you tell me how we can pass the final examination? practicing again and again. A.For B.By C.With 3.I improved my spoken English watching English movies and listening to English songs. A.in B.to C.for D.by 4.-I have no cash on hand,may I pay WeChat? -Of course. A.by B.with C.off D.in 5.He sent the news to me e-mail last week. A.on B.at C.with D.by 6.Jack improves his English by in the morning. A.take notes B.practice more C.reading aloud D.watch videos 7.Some st