四年级下英语素材精选各单元知识点|译林版(三起)
Unit 1 Our school subjects 1. Nice to see you.和Nice to meet you. 见到你很兴奋。但用法上有区分。Nice to meet you.用于初次见面时打招呼,应答也是Nice to meet you.而Nice to see you.用于两个相识的人见面打招呼,应答也是Nice to see you. 2. subject 和lesson的区分 subject 是指学科,课程。而lesson指的是详细的一节课。它们的区分还在于lesson可接在详细科目名称后面,如a Maths lesson一节数学课 an English lesson一节英语课。而subject一般不与科目名称一起出现。 3.学科类的单词第一个字母要大写,如English, Chinese, Maths, Art, PE, Music, Science等。还有一些其他的用法如:He’s an English boy. 他是一个英国男孩。We’re Chinese. 我们是中国人。I like listening to music.我喜爱听音乐。 4. It’s time for 到干什么的时间了。后面跟名词。 It’s time for sth. = It’s time to do sth. 意思都是干什么的时间了,但是用法上有区分。It’s time for +名词 = It’s time to+动词 如:It’s time for PE= It’s time to have a PE lesson. It’s time for class.=It’s time to have class. Unit 2 After school 1. 表示一周七天的单词完整形式和缩写形式。 Sunday Monday Tuesday Wednesday Thursday[来源:] Friday Saturday Sun. Mon. Tue. Wed. Thur. Fri. Sat. 西方国家把Sunday定位一周的第一天,而不是Monday 对星期几进行提问,用“What day is it today?”回答:“It’s …”或是干脆回答星期几。 2. 表示时间的介词的用法: (1) on表示“在详细某一天或某天的上、下午” ① 表示在星期几,如:on Sunday. on Monday. ② 表示在某天的上、下午或晚上,如: on Sunday morning ③ 表示节日,如:on New Year’s Day, on Children’s Day ④ 表示日期,如:on May 27th, on the 12th of March (2) at表示“在某一时刻,某一时点” ① 在几点钟介词用at ,如 at five o’clock ② at noon在中午;at night在夜间;at Christmas在圣诞节期间; (3) in表示“在某世纪、年、季度、月、周”以及泛指的上下午、晚上 ① 在某世纪,如:in the 20th century 在20世纪; ② 在某年,如:in 2019 在2019年; ③ 在某月,如:in September 在九月; ④ 在某个季节,如:in winter在冬季 ⑤ 在早晨,中午,晚上, 如 in the morning, in the afternoon, in the evening. 3. have和has的用法 (1) have, has意为“有”,强调所属关系 第一、二人称和复数用have (I, You, We, They, The boys) 第三人称单数用has (He, She, It, Mike, my father) 例如: I have a football match. She has a swimming lesson. (2) 陈述句:以句号结尾,句中没有not。 例如:I have Chinese. He has English. 否定句:以句号结尾,句中有not或no。 例如:I don’t have Chinese. He doesn’t have English. 一般疑问句:以问号结尾,do或does在句首。 例如:Do you have Chinese? Does he have English? 确定回答:Yes,I do. Yes, he does. 否定回答:No, I don’t. No, he doesn’t. 特别疑问句:以问号结尾,句首为疑问词。 例如:What lessons do you have? What lessons does he have? 回答:I have Chinese. He has English. (3)句型转换 确定句变否定句: 确定句:I have some lessons on Saturday. 否定句:I don’t have any lessons on Saturday. 确定句:She has some lessons on Saturday. 否定句:She doesn’t have any lessons on Saturday. 确定句变一般疑问句: 确定句:I have some lessons on Saturday. 一般疑问句:Do you have some lessons on Saturday? 确定句:She has some lessons on Saturday. 一般疑问句:Does she have any lessons on Saturday? 确定句变特别疑问句: 确定句:I have some lessons on Saturday. 特别疑问句:What lessons do you have on Saturday? 确定句:She has some lessons on Saturday. 特别疑问句:What lessons does she have on Saturday? Unit 3 My day 1. 表示时间的方式 (1)整点:“点数+ o’clock”,可以和o’clock一起用得最大数字是12. 例如:1:00 one o’clock, 12:00twelve o’clock (2)用“小时+分钟”: 例如:6:10 six ten 10:32 ten thirty-two 7:58 seven fifty-eight 9:20 nine twenty (3)表示时间在半小时内,用“分钟+past+小时” 例如:4:20 twenty past four 12: 25 twenty five pas