Unit3知识点讲解2022-2023学年牛津译林版八年级英语上册

8AU3 A day out Comic strip & Welcome to the unit 30~31 1. be going to +动词原形，一般将来时，表示打算或计划做某事。be随句子主语的人称和数量变化而变化。 e.g. We’re going to buy a new TV tomorrow. He is giong to play football with his friends this Sunday. 2. exercise动词,“锻炼，训练” It’s good for us to exercise every day. * exercise 可数名词，“练习，训练，体操”。 We have five math exercises to do today. My parents often do morning exercises in winter. * exercise 不可数名词，“锻炼；运动”。 Exercise makes us strong and healthy. 3.need的用法 * 行为动词 （sb need to do） You need to do it now. → You don’t need to do it now.（有人称时态变化） * 情态动词（常用语否定疑问句中） needn’t do sth → You needn’t do it now. * 用于回答must问句 Must I do it now? —Yes, you must. / No, you needn’t. / No, you don’t have to. * sth need + doing形式时表示被动意义E.g. The flowers need watering. Your clothes need washing. 4.keep fit＝ keep healthy＝stay healthy保持健康 5.This hill isn’t as high as a real one. * as adj/adv as 和真的一样；not as/so ...as 不如... * true 符合事实情况的事件 a true story；real 质地真假的东西 a real bridge 6. come on 的用法 （1）用来请求、激励、劝说时，意为“来吧”，如： Come on, Lucy. Don’t be so shy. Come on, you can do it . (2) 用来催促别人快走/做…时，意为“快点”，如： Come on, it’s getting dark. Come on, Mr Wang is waiting. (3) 用来表示责备和不耐烦，意为“得了吧，行了，够了”，如： Come on, don’t sit there dreaming. (4) 用于体育竞赛等场合激励队友时，意为“加油”，如： Come on, Come on,！ （5） 用于挑战或激怒对方时，意为“来吧，试试吧，好吧”，如： Come on, I’m not afraid of you. 7. enjoy oneself 玩得愉快，相当于have a good time / have fun ＋doing 做某事很开心 We enjoyed ourselves in the park. = We had a good time / had fun in the park. oneself是反身代词，它包括ourselves我们自己；yourself你自己；yourselves你们自己；themselves他/它/她们自己；itself它自己；himself他自己；herself她自己；myself我自己 e.g. They enjoyed themselves during the holiday. 【拓展】 help oneself 自便、自取 behave oneself 有礼貌、规矩 8．take a boat trip to sp = go on a trip to sp tour指的是在各处作短暂停留的长距离旅行。 trip(休闲或公事等的)短途旅行 travel到远方去或长期旅行 journey较正式的用语；通常指有预定地点的长途旅行。 9.go/walk past the school gate = pass the school gate v.+ pre