Unit2 语法讲解及习题：Have got、名词复数、介词 2025-2026学年北师大版英语七年级上册

北师大版英语七上Unit2语法讲解及习题 Have got、名词复数、介词 一、语法核心内容 (一)Have got(表示“有”) 1. 含义:have got 表示“拥有、有”,在口语中常用来代替 have,意思相同。 2. 形式变化 人称 肯定形式 否定形式 缩写 I/You/We/They have got have not got haven't got He/She/It has got has not got hasn't got 3. 例句 I have got football practice.(我有足球训练。) Tony has got a lesson in the Art Club.(托尼在艺术俱乐部有一节课。) We haven't got a maths lesson today.(我们今天没有数学课。) She hasn't got her science book.(她没有带科学书。) 4. Your Discovery 总结 Have got 的意思是 “有、拥有”。 肯定形式:have got(I/You/We/They);has got(He/She/It)。 否定形式:have not (haven't) got;has not (hasn't) got。 (二)名词复数(Plural nouns) 1. 含义:当表示一个以上的人或事物时,名词需要使用复数形式。 2. 常见变化规则 情况 规则 例词 一般情况 加 -s classroom classrooms 以 s, x, ch, sh 结尾 加 -es class classes 以辅音字母 + y 结尾 变 y 为 i 加 -es library libraries 以 f/fe 结尾 变 f/fe 为 v 加 -es leaf leaves 不规则变化 特殊记忆 tooth teeth 3. 例句 There are two libraries in the town.(镇上有两个图书馆。) I brush my teeth before bed.(我睡前刷牙。) 4. Your Discovery 总结 当我们谈论多于一个的人或事物时,使用名词复数。 复数形式的构成规则: 一般加 -s; 以 s/x/ch/sh 结尾加 -es; 辅音 + y 结尾,变 y 为 i 加 -es; f/fe 结尾,变 v 加 -es; 不规则变化需单独记忆。 (三)介词(Prepositions) 1. 核心用法(时间介词) on:用于具体某一天、星期、节日前。 on weekdays(在工作日);on the weekend(在周末);on Tuesdays and Fridays(在周二和周五) in:用于月份、季节、年份、泛指的上午/下午/晚上前。 in May(在五月);in the morning(在上午);in the afternoons(在下午) at:用于具体时刻前。 at six o'clock(在六点);at noon(在中午) 例句 We go to school on weekdays, but not on the weekend.(我们工作日上学,周末不上。) We have PE lessons on Tuesdays and Fridays.(我们周二和周五有体育课。) We also play sports outside in the afternoons.(我们下午也在外面做运动。) 二、分层练习题 (一)用 have got / has got / haven't got / hasn't got 填空 1. I _ (have got) a new schoolbag. 2. She _ (not have got) her science book. 3. Tony _ (have got) a basketball. 4. We _ (not have got) a maths lesson today. 5. They _ (have got) four lessons before noon. 6. My father _ (have got) a car. 7. You _ (not have got) a pencil. 8. The dog _ (not have got) a tail. 9. My sister _ (have got) a new dress. 10. I _ (not have got) any homework. (二)写出下列名词的复数形式 1. classroom _ 2. class _ 3. library _ 4. leaf _ 5. tooth _ 6. book _ 7. box _ 8. baby _ 9. knife _ 10. man _ (三)用适当的介词填空 1. We go to school _ weekdays, but not _ the weekend. 2. We have PE lessons _ Tuesdays and Fridays. 3. We also play sports outside _ the afternoons. 4. My birthday is _ May 1st. 5. I get up _ six o'clock every morning. (四)单项选择 1. I _ a new pen. A. have got B. has got C. haven't got 2. She _ her homework. A. hasn't got B. have got C. hasn't 3. There are two _ in our school. A. library B. libraries C. librarys 4. I brush my _ every day. A. tooth B. teeth C. tooths 5. We have English lessons _ Mondays. A. in B. on C. at 6. —Have you got a pencil? —No, I _. A. haven't B. hasn't C. don't 7. Tony _ a lesson in the Art Club. A. have got B. has got C. hasn't got 8. The leaves _ red in autumn. A. turn B. turns C. turned 9. We go to the library _ the afternoon. A. in B. on C. at 10. —What have you got in your bag? —I _ some textbooks. A. have got B. has got C. got 三、答案与解析 (一)用 have got / has got / haven't got / hasn't got 填空 1. have got 2. hasn't got 3. has got 4. haven't got 5. have got 6. has got 7. haven't got 8. hasn't got 9. has got 10. haven't got 解析:根据主语人称判断形式,I/You/We/They 用 have,He/She/It 用 has;否定形式在 have/has 后加 not。 (二)写出下列名词的复数形式 1. classrooms 2. classes 3. libraries 4. leaves 5. teeth 6. books 7. boxes 8. babies 9. knives 10. men 解析:根据名词复数变化规则进行变化,注意不规则变化。 (三)用适当的介词填空 1. on; on 2. on 3. in 4. on 5. at 解析:具体某一天、星期用 on;月份、泛指的上午/下午/晚上用 in;具体时刻用 at。 (四)单项选择 1. A 解析:主语 I 用 have got。 2. A 解析:主语 she 用 hasn't got。 3. B 解析:library 以辅音 + y 结尾,复数变 y 为 i 加 es。 4. B 解析:tooth 的复数是 teeth,不规则变化。 5. B 解析:星期前用 on。 6. A 解析:Have you got...? 的否定回答是 No, I haven't. 7. B 解析:主语 Tony 是第三人称单数,用 has got。 8. A 解析:主语 leaves 是复数,谓语动词用原形。 9. A 解析:泛指的下午用 in the afternoon。 10. A 解析:主语 I 用 have got。 ( 1 ) 学科网(北京)股份有限公司 $