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100 one o’clock, 1200twelve o’clock 2用“小时分钟” 例如610 six ten 1032 ten thirty-two 758 seven fifty-eight 920 nine twenty 3表示时间在半小时内,用“分钟past小时” 例如420 twenty past four 12 25 twenty five pas