Unit 2 讲义 2023-2024学年人教版八年级英语下册

Unit2 I'll help to clean up the city parks 1.The girl could volunteer in an after-school study... volunteer(v)自愿(做某事) 常用短语: volunteer to do sth./volunteer for sth.自愿做某事 eg:The students volunteer to help the poor. volunteer(可数n)志愿者 eg:Being a volunteer is great. volunteer(adj)志愿的;自愿的 eg:They did a volunteer job. 2.They told me stories about the past and how things used to be. used to do sth.过去常常做某事 There used to be 过去曾有 归纳: “used to+动词原形”句式 ①肯定句:“主语+used to+动词原形+其他” ②否定句: “主语+didn't use to+ 动词原形+其他” “主语+usedn't to + 动词原形+其他” eg:I didn't use to have short hair. I usedn't to have short hair. ③一般疑问句: “Did+主语+use to+动词原形+其他?” “Used+主语+to+动词原形+其他?” eg:Did you use to play the piano? Used you to play the piano? ④反义疑问句: 附加疑问句部分可使用 “didn't”或 “usedn't” eg:The street used to be crowded,didn't/usedn't it? 3....but I want to learn more about how to care for animals. “how to care for animals”是“疑问词+动词不定式”结构 英语中,疑问代词what、who、which和疑问副词where、when、why、how等后面可以接动词不定式构成动词不定式短语,在句中可作主语、宾语、表语 eg:I don't know what to do next. (宾语) The problem is where to go now. (表语) When to leave is still a question. (主语) 注意:“疑问词+动词不定式”结构作宾语时,相当于宾语从句。当宾语从句的主语与主句的主语相同时,可以与此结构互换 eg:She didn't decide where she should go. She didn't decide where to go. 4.I get such a strong feeling of satisfaction when I see the animals get better and the look of joy on their owners' faces. “such a strong feeling of satisfaction ”属于“such+a(n)+adj+n” 结构 ,意为:“如此...的...” eg:Did you see such an interesting film? 可与“so+adj+a(n)+单数可数名词”互换 eg:Did you see so interesting a film? She is such a beautiful girl. She is so beautiful a girl. 辨析:such与so ①such(adj)如此的(修饰n) so(adv)如此(修饰adj/adv) ②两者用来修饰复数名词时,若n前有adj,一般用such 若n前有many,much,few,little,此时用so eg:They are such clever boys. He has so many books that he wants to sell them. ③如果被修饰的是不可数名词,只能用such eg:It is such beautiful music. ④当little表示“年纪小的”之意,可用“such+little+n”结构 eg:They are such little children that they can't dress themselves. ⑤so...that...(如此...以致于...) so that以便(目的状语) eg:He is so y