Unit 2 语法精讲 2023-2024学年人教版八年级英语上册

[语法解析] 1.频率副词: always，usually， often，sometimes，never 频率副词在句中通常放在实义动词之前，be 动词或助动词之后。常用于一般现在时态中 2.“次数”的表达方法 两次 twice，三次或三次以上用基数词+ times,一次 once，threetimes,five times. 3、how often“多久一次”问频率，回答常含有频率词组或短语常见的 how疑问词: 1)How soon 多久 (以后) -How soon will he be back?他多久能回来? -He will be back in a month. 他一个月后能回来。 2)how long“多久” eg.一How long did it take you to clean the house? 你打扫房子用了多久? -It took me half an hour to clean the house. 我打扫这房子用了半小时。 3)How many+名复/How much+不可名“多少”问数量(how much还 可问价格) 知识点: 1.go to the movies 去看电影 2.look after = take care of 照顾 3.surf the internet 上网 4.healthy lifestyle 健康的生活方式 5.go skate boarding 去划板 6.keep healthy=stay healthy 保持健康 7.eating habits 饮食习惯 8.take more exercise 做更多的运动 9.the sameas与什么相同 10.be different from 不同 as same as* 侧重于客观性的判断，事实上是一样的。 the same ase 有一定的主观性判断，认为是事实。“ 1l.once a month一月一次 12.twicea week一周两次 13.make a difference to 对什么有影响 14. most of the students=most student 15.shop=go shopping=do some shopping 购物 16. be good for 对什么有益 17.be bad for 对什么有害 18.come home from school放学回家 19 .of course = certainly = sure 当然 20.get good grades 取得好成绩 21. keep/be in good health 保持健康 22.take a vacation 去度假 [词语辨析] 、maybe / may be 1. The baby is cryingshe is hungry. 2.The womana teacher maybe 是副词，意为“大概，可能，或许”，一般用于句首。May be是情态动词，意为“可能是..，也许是..，大概是..”、1) a few / few / a little / little people 指人时，是不可数名词；表民族时，是可数名词，但单复数的形式不变。 It is very difficult, and few people understand it. 它很难，没几个人能懂。 It is very difficult, but a few people understand it. 他虽难，但是有些人懂。 Unfortunately, I had little money on me. 很不巧，我身上没带什么钱。 2)、hard / hardly 1. The ground is too to dig 2.I canunderstand them. 3.It’s raining,the people cangooutside. hard作形容词，意为“困难的，艰苦的，硬的”;作副词，意为“努力地，猛烈地”。Hardly 意为“几乎不” 4.As for homework , most students do homework every dayas for...意思是“至于;关于”，+名词、代词或动词的-ing 形式(即动名词)。 如: As for him，Inever want to see him here.至于他，我永远不希望在这里见到 As for the story，you'd better not believe it.关丁那故事，你最好不要相信。 Fortunately, I had a little money on me. 幸好我身上带着一点钱。 5.. That sound