八年级下册重点语法和短语Unit1Willpeoplehaverobots?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)bedone一般将来时态的肯定句、否定句、疑问句形式：肯定句例句：Peoplewillhaverobotsinafewyears.否定句例句：People(willnot/won't)haverobotsinafewyears.一般疑问句例句：Willpeoplehaverobotsinafewyears?特殊疑问句例句：Whatwillpeoplehaveinafewyears?ReadingStrategy(阅读方法)Lookatthetitleandpicture,andpredictwhatyouwillreadabout.(看着标题和图片，预知你要阅读那些方面的内容。)Thishelpsyougetreadytoacquirenewinformation.(这样可以帮助你获得一些新的信息。)Unit2WhatshouldIdo?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)bedone过去将来时态的肯定句、否定句、疑问句形式：肯定句例句：Youshouldwritealettertohim.否定句例句：Youshouldn'twritealettertohim.一般疑问句例句：ShouldIwritealettertohim?特殊疑问句例句：WhatshouldIdo?ReadingStrategy(阅读方法)Youwilllearntousenewwordsbetterifyouusealearner'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。)Abilingualdictionarysometimesgivesthewrongmeaningforthesituationyouwant.(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。)Unit3WhatwereyoudoingwhentheUFOarrived?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)beingdone过去将来时态的肯定句、否定句和疑问句形式：肯定句例句：IwaswalkingdownthestreetwhenaUFOlanded.否定句例句：Iwasn'twalkingdownthestreetwhenaUFOlanded.一般疑问句例句：WereyouwalkingdownthestreetwhenaUFOlanded?特殊疑问句例句：WhatwereyoudoingwhenaUFOlanded?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：TheboywaswalkingdownthestreetwhentheUFOlanded.=Whiletheboywaswalkingdownthestreet,theUFOlanded.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：Whatabeautifulflower[itis]!=Howbeautifulthefloweris!Whatbeautifulflowers[theyare]!=Howbeautifultheflowersare!ReadingStrategy(阅读方法)Thetitlecanbehelpfulforyoutounderstandatext.(一篇文章的标题可以帮助你理解整篇文章。)It'salsoagoodideatoreadthefirstsentenceofeachparagraphbeforeyouread.(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。)Unit4HesaidIwashard-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'mgoodatEnglish.Hesays.(改为加宾语从句的复合句)----HesaysI'mgoodatEnglish.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：HesaysI'mgoodatEnglishnow.HesaysIwasgoodatmathematicswhenIwasyoung.②主句是过去时态，宾语从句也要用过去时态。例句：HesaidIwasgoodatmathematicswhenIwasyoungyesterday.HesaidIwasgoodatEnglishnowyesterday.③宾语从句是客观真理时永远用一般现在时态。例句：Ourteachersays24hoursmakeaday.Ourteachersaidthesungivesussomanyenergyyesterday.④动词原形不能作主语，必须用其-ing形式。例句：Shesaidhelpingotherschangedherlife.ReadingStrategy(阅读方法)Firstreadformeaning,notfordetail.(首先理解文段的大致意思，不在于文段的细节部分。)Youcanunderstandthemeaningofawordyoudon'tknowfromthecontext.(至于不懂的单词，你可以通过上下文来寻找它的正确释义。)Unit5Ifyougototheparty,you'llhaveagreattime!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'llh...
