Unit-4-Dont-eat-in-class知识点总结

Unit4Don'teatinclass.知识点总结短语：1.inclass在课上intheclassroom在教室里2.arrivelateforclass=belateforclass上课迟到arrivein+大地方arriveat+小地方3.(be)ontime准时4.fightwithsb.和某人打架5.must+动词原形必须做某事=havetodosth.不得不做某事6.bring…to…把…带到…来Bringyourbooktoschool(me).7.eatoutside在外面吃饭wearauniform穿制服wearglasses戴眼镜8.practicetheguitar练习吉它practiceplayingtheguitar练习弹吉他9.onschoolnights在上学的晚上onschooldays在上学的日子10.toomany+可数名词复数toomuch+不可数名词表示太多…11.makeone’sbed铺床makebreakfast做早饭makefriends交朋友12.13.too肯定句中表示“也”。either否定句中表示“也”Icanplaychess.Shecan,too.Ican’tplaychess.Shecan’t,either.Ican’twatchTV,Ican’tplaychesseither.14.thinkabout=thinkof考虑、认为如：Howdoyouthinkaboutthissweater?你觉得这件毛衣怎样？15.makerules制定规则followtherules遵守规则breaktherules违反规则16.keep(+名词或代词)+形容词，表示保持某物怎么样keepquiet保持安静keepyourhairshort保持头发短keepyourroomclean保持房间干净17.learnsth.学习某事learnEnglishlearntheguitarlearntodosth.学习做某事learntospeakEnglish/learntoswimlearndoingsth.学习做某事learnspeakingEnglish/learnswimming.18.bestrict(withsb.)对某人严格Mymomisstrictwithme.19.remember记住，常用短语有：（1）remembersth./sb.记住某物、某事、某人Pleaserememberthissentence.请记住这个句子。（2）remembertodosth.记住做某事（事情还没做）Remembertobringyourhomeworktome.记得把你的作业拿给我。（3）rememberdoingsth.记得做过某事（事情已经做了）Irememberreadingthisbook.我记得读过这本书。helpsb.dosth.helpsb.withsth.helpsb.withdoingsth.句子：一、英语祈使句：祈使句是用来表示请求、命令、叮嘱、邀请、劝告或祝愿等的句子。它的特点是以动词原形开头，末尾可用句号或感叹号。祈使句没有疑问句的形式，一般只有肯定和否定两种形式。二、haveto&must二者否定式的意义大不相同。haveto的否定式表示“不必”，而mustnot/mustn’t表示“不准”。例句：A.Idon’thavetofinishmyhomeworknow.B.Youmustn’tarrivelateforclass.肯定句否定句Please+动词原形+其他Pleasecomein.Please+don’t+动词原形+其他Pleasedon’tcomein.动词原形+其他Openthedoor!Don’t+动词原形+其他Don’topenthedoor!Be+形容词Bequiet!Don’t+be+形容词Don’tbequiet!Letsb.dosth.Letmedohomework.Letsb.dosth.两种：Don’tletmedohomework.Letmenotdohomework.No+名词Nophotos!No+动名词Noparking!1.must意思为“必须……”；肯定式：must+V原；否定式：must+not+V原；或needn’t+V原;疑问式：Must+主语……?例句：1).Youmustgohomenow.2).Youmustn’tsmokehere.3).MustIdohomeworknow?Yes,youmust./No,youneedn’t.由must引起的疑问句，肯定回答要用must或haveto,否定回答要用needn’t或don’thaveto,意思是“不必”2.haveto表示“不得不”、“必须”。肯定式：haveto+V原hasto+V原否定式：don’thaveto+V原doesn’thaveto+V原疑问式：Do+主语+haveto+V原Does+三单主语+haveto+V原例句：1).It’stoolate.Ihavetogotobed.2).Theydon’thavetofinishtheworktoday.3).Hehastoleavehome.4).Doeshehavetoleavehome?Yes,hedoes./No,hedoesn’t.needn’t=don’thaveto