八年级下册各单元重点语法归纳八年级下册重点语法和短语Unit 1 Will people have robots? 重点语法：一般将来时态的应用do/does 的一般将来时态形式：(shall/will) dodo/does 的一般将来时态的被动语态：(shall/will) be done 一般将来时态的肯定句、否定句、疑问句形式：肯定句例句：People will have robots in a few years.否定句例句：People (will not/won't) have robots in a few years.一般疑问句例句：Will people have robots in a few years?特殊疑问句例句：What will people have in a fewyears?Reading Strategy( 阅读方法)Look at the title and picture, and predict what you will read about. ( 看着标题和图片，预知你要阅读那些方面的内容。
)This helps you get ready to acquire new information. ( 这样可以帮助你获得一些新的信息。
）Unit 2 What should I do? 重点语法：过去将来时态（将来时态的委婉说法）do/does 的过去将来时态形式：（should/would） dodo/does 的过去将来时态的被动语态：（should/would） be done 过去将来时态的肯定句、否定句、疑问句形式：肯定句例句：You should write a letter to him. 否定句例句：You shouldn't write a letter to him. 一般疑问句例句：Should I write a letter to him? 特殊疑问句例句：What should I do?Reading Strategy（阅读方法） You will learn to use new words better if you use a learner'sdictionary. （时刻学着应用新单词来学习比时刻使用字典这种途径方法更好。
）A bilingual dictionary sometimes gives the wrong meaning for the situation you want. （在某些你需要的场合下，一本双语字典有时会给你错误的解释。
）Unit 3 What were you doing when the UFO arrived? 重点语法：过去进行时态do/does 的过去进行时态形式：(was/were) doingdo/does 的过去进行时态的被动语态：(was/were) being done 过去将来时态的肯定句、否定句和疑问句形式：肯定句例句：I was walking down the street when a UFO landed.否定句例句：I wasn't walking down the street when a UFO landed.一般疑问句例句：Were you walking down the street when a UFO landed?特殊疑问句例句：What were you doing when a UFO landed?动词when 和while 的选择：when 后加瞬间动词，while 后加延续性动词。
例句：The boy was walking down the street when the UFO landed.=While the boy was walking down the street, the UFO landed.感叹句结构：（1） How + adj. + the + 主语+ 谓语动词=（2） What + （a/an） + [adj.] + n. + 主语+ 谓语动词例句：What a beautiful flower [it is]!=How beautiful the flower is!What beautiful flowers [they are]!=How beautiful the flowers are!Reading Strategy（阅读方法）The title can be helpful for you to understand a text. （一篇文章的标题可以帮助你理解整篇文章。
）It's also a good idea to read the first sentence of each paragraph before you read. （在阅读整篇文章之前，阅读每段的第一句话也是一个很有效的方法。
）Unit 4 He said I was hard-working. 重点语法：宾语从句结构：主语+ 谓语动词+ 宾语从句（主语+ 谓语动词+ 宾语/表语）例句：- I'm good at English. He says. （改为加宾语从句的复合句）--- He says I'm good at English.注意：①主句是一般现在时态，宾语从句的时态不受其影响。
例句：He says I'm good at English now.He says I was good at mathematics whenI was young.②主句是过去时态，宾语从句也要用过去时态。
例句：He said I was good at mathematics when I was young yesterday.He said I was good at English now yesterday.③宾语从句是客观真理时永远用一般现在时态。
例句：Our teacher says 24 hours make a day.Our teacher said the sun gives us so many energy yesterday.④动词原形不能作主语，必须用其-ing形式。
例句：She said helping others changed her life.Reading Strategy（阅读方法）First read for meaning, not for detail. （首先理解文段的大致意思，不在于文段的细节部分。
）You can understand the meaning of a word you don't know from the context. （至于不懂的单词，你可以通过上下文来寻找它的正确释义。
）Unit 5 If you go to the party, you'll have a great time! 重点语法：if 引导的条件状语从句结构：主句+ if + 条件状语从句if + 条件状语从句+ ［（comma）］ + 主句注意：在if 引导的条件状语从句中，主句应用将来时态，状语从句用一般现在时态。
例句：You'll have a great time if you go to the party.=If you go to the party, you'll have a great time.Unit 6 How long have you been collecting shells? 重点语法：现在完成进行时态do/does 的现在完成进行时态形式：have/has been doingdo/does 的现在完成进行时态的被动语态：have/has been being done 现在完成进行时态所应用的场合：①某事从过去发生一直持续到现在都在做②过去发生的动作对现在造成影响例：我已上了三年初中。
I have been in Junior School for 3 years. 自从那次他与我谈过心后，我天天都在进步。
I have been making progress since he talked with me that time. 现在完成进行时态的肯定句、否定句和疑问句形式：肯定句例句：I have been skating for five hours. 否定句例句：I haven't been skating for five hours.一般疑问句例句：Have you been skating for fivehours?特殊疑问句例句：How long have you been skating? 注意：瞬间动词不能和一段时间连用。
例句：你借这本书已经多长时间了？How long have you been keeping this book? Reading Strategy（阅读方法）Let your eyes "scan" the text quickly to find details that you're looking for. （在阅读文章之前，用眼睛“横扫”整篇文章，快速寻找你需要的文章要点。
）You can find information quickly without reading the whole text. （这样你就不用细读整篇文章，就能寻找到你需要的一些信息。
）Unit 7 Would you mind turning down the music?重点语法：mind [one's] doing sth. 介意（某人）做某事重点短语：not at all 一点也不turn down 调节使音量变小right away = in a minute = at once 立刻；马上wait in line 排队等候cut in line 插队等候hasn't = has not keep ... down 压低声音；使缓和at first = first of all 首先take care 当心；小心take care of = care about = look after 关心；照顾break the rule 违规obey the rule 遵守规定put out 熄灭pick sth. up 捡起某物wait forsb. 等候某人depend on 依赖；依靠getback = return 要回mean f meant f meant 动词mean 的原形、过去式和过去分词Reading Strategy（阅读方法）As we read, we need to find "topicsenten ces".（在我们阅读的时候，我们需要寻找“主题语句”，也就是和文章中心最相关的语句。