小升初英语易考点通关(通用版)

小升初英语易考点通关(通用版) 第一节 系动词Be 的用法 一、请记住以下口诀 我用 am，你用 are，is 连着他，她，它； 单数名词用 is，复数名词全用 are。变疑问，往前提，句末问号莫丢弃。 变否定，更容易，be 后 not 莫忘记。 疑问否定任你变，句首大写莫迟疑。 二、Be 动词在一般过去时中的变化 1．am 和 is 在一般过去时中变为 was。（was not = wasn’t） 2．are 在一般过去时中变为 were。（were not = weren’t） 3．带有 was 或 were 的句子，其否定、疑问的变化和 am,is, are 一样，即否定句在was 或 were 后加 not，一般疑问句把 was 或 were 调到句首。 三、Be 动词的用法 1、be +现在分词，构成进行时态，例如： They are having a meeting. 他们正在开会。 English is becoming more and more important. 英语现在越来越重要。 2、be + 过去分词，构成被动语态，例如： The window was broken by Tom.. 窗户是汤姆打碎的。English is taught throughout the world. 世界各地都教英语。3、be + 动词不定式，可表示下列内容： A、表示最近、未来的计划或安排，例如： He is to go to New York next week.. 他下周要去纽约。 We are to teach the freshpersons. 我们要教新生。 说明： 这种用法也可以说成是一种将来时态表达法。 B、表示命令，例如： You are to explain this. 对此你要做出解释。 He is to come to the office this afternoon. 要他今天下午来办公室。 C、征求意见，例如： How am I to answer him? 我该怎样答复他? Who is to go there? 谁该去那儿呢? D、表示相约、商定，例如： We are to meet at the school gate at seven tomorrow morning. 我们明天早晨 7 点在校门口集合。 第二节 Do 的作用 动词 do 在句中的作用可以概述为四句十二字："做"实义，助动词，替前文，强语气。 作用一：实义，动词 do do 作实义动词时，有 do, does, did, done, doing 五种形式，还有及物、不及物之分。如： 1、"做；研究；整理；完成"。如： ①The old man does an hour of sport every day. ②She did her homework at home last night. ③Mother was doing the cooking when I reached home. ④Have you done the exercises yet? 2、"行动；工作；进展；足够"。如： ①Kate does very well in her Chinese. ②How do you do? ③Well done! ④That will do. 作用二：助动 do do 作助动词时，只有 do, does, did 三种形式，无词义，限用于含行为动词的一般现在时和一般过去时两种时态的否定句和疑问句中。如： ①They don't have any tickets for tonight's concert. ②Kate stayed at home last night, didn't she? ③How many books does the library have? ④She doesn't do the washing in the evening. 作用三：替代 do 为避免动词的重复，使语言简练，常以 do, does, did 替代前文所用的行为动词。如： ①Tom runs much faster than you do. ②-Lucy, can you get some more tea, please? -Sure. I'll do it right away. ②-Who broke the cup? -Mimi did. ③-I like bananas. -So does he. 作用四：语气 do为突出感情色彩，do 常用于祈使句、强调句和倒装句中，以加强语气。如： ①Do be careful. ②Don't tell a lie. ③He did come. ④-Yo