Unit 2 Hobbies讲义 (含答案)译林版(2024)英语七年级上册

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Unit 2 Hobbies讲义 (含答案)译林版(2024)英语七年级上册

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7A Unit 2 精编讲义(学生版)
Part 1 词汇变形 短语背诵
一、词汇变形
原词(词性) 变形 1(词性) 变形 2(词性) 中文含义
scientist (n.) scientists (n. 复数) —— 科学家→(复数)科学家
fix (v.) fixes (v. 单三) fixing (v.-ing) 修理→(三单)修理→(现在分词)修理
life (n.) lives (n. 复数) —— 生命 / 生活→(复数)生命 / 生活
end (v./n.) endless (adj.) ended (v. 过去式) 结束 / 末端→无尽的→(过去式)结束
thing (n.) things (n. 复数) —— 东西 / 事物→(复数)东西 / 事物
study (v./n.) studies (v. 单三 /n. 复数) studying (v.-ing) 学习 / 书房→(三单 / 复数)→(现在分词)学习
have (v.) has (v. 单三) had (v. 过去式) 有→(三单)有→(过去式)有
get (v.) gets (v. 单三) got (v. 过去式) 得到 / 起床→(三单)得到 / 起床→(过去式)得到 / 起床
change (v./n.) changes (v. 单三 /n. 复数) changing (v.-ing) 改变→(三单 / 复数)→(现在分词)改变
dream (v./n.) dreams (v. 单三 /n. 复数) dreaming (v.-ing) 梦想 / 做梦→(三单 / 复数)→(现在分词)做梦
good (adj.) well (adv.) better (adj. 比较级) 好的→好地→更好的
二、短语背诵
1. take apart 拆开(如:The boy likes to take apart toys.)
2. fix up 修理(如:I can help fix up things around the house.)
3. come true 实现(主语为梦想、愿望等,如:His dream will come true.)
4. in one's free time 在某人空闲时间(如:Please do chores in your free time.)
5. search for 查找(如:He often searches for information online.)
6. in this way 用这种方法(如:In this way, you can solve the problem.)
7. ask sb for help 向某人求助(如:You can ask your teacher for help.)
8. put away 放好(如:Millie, put away all the things now.)
9. go jogging 去慢跑(如:My parents enjoy going jogging after supper.)
10. paper cutting 剪纸(如:Lily is good at paper cutting.)
11. save people's lives 拯救人们的生命(如:The great doctor saves many people's lives.)
12. around the flowers 环绕花朵(如:Butterflies are flying around the flowers.)
13. be good at (doing) sth 擅长(做)某事(如:She is good at playing ping-pong.)
14. be interested in (doing) sth 对…… 感兴趣(如:He is interested in science.)
Part 2 单元知识点考点汇总
1. 知识点:take apart
【用法】
表示 “拆开(某物)”,由 “动词 take + 副词 apart” 构成,后接名词或代词(代词需放 take 与 apart 之间)。
【搭配】
take apart + n. / take + pron. + apart
【例句】
The little boy likes to take apart things and learn how they work.
Can you take it apart and fix the problem
【即学即用】
He wants to ______ (take) the old radio apart.(答案:take)
My father often ______ (take) apart my toy car to repair it.(答案:takes)
2. 知识点:come true
【用法】
表示 “(梦想、愿望等)实现”,主语只能是梦想、愿望等抽象事物,不能是人;无被动语态。
【搭配】
sth comes true(主语为单数)/sth come true(主语为复数)
【例句】
I am sure his dream will come true.
Our hopes come true with hard work.
【即学即用】
Her dream of being a scientist ______ (come) true one day.(答案:will come)
These children’s dreams ______ (come) true because they study hard.(答案:come)
3. 知识点:fix up
【用法】
表示 “修理;修补”,可与 “fix” 互换,后接名词(如家电、家具等),常与 “help” 搭配 “help (sb) fix up sth”。
【搭配】
fix up + n. / help (sb) fix up sth
【例句】
Can you help Li Shanshan fix her bike
I can help fix up the old TV around the house.
【即学即用】
My brother often helps my dad ______ (fix) up the car.(答案:fix)
She is good at ______ (fix) up broken toys.(答案:fixing)
4. 知识点:ask sb for help
【用法】
固定搭配 “向某人求助”,for 不可省略;sb 为人称代词宾格(如 me/him/her)或名词(如 your mother/the teacher)。
【搭配】
ask + sb(宾格 / 名词)+ for help
【例句】
Ask your mother for help.
When you have problems, you can ask your classmates for help.
【即学即用】
He often ______ (ask) his teacher for help with Maths.(答案:asks)
Please ______ (ask) Tom for help—he knows the answer.(答案:ask)
5. 知识点:in one's free time
【用法】
表示 “在某人空闲时间”,one's 需根据主语替换(如 my/your/his/her/their),同义短语 “in the free time of sb”。
【搭配】
in + one's + free time + do sth(动词用原形或 ing 形式,取决于前面的动词)
【例句】
Please do some chores in your free time.
She likes reading books in her free time.
【即学即用】
We often play basketball ______ (in/on) our free time.(答案:in)
He ______ (do) his homework in his free time every day.(答案:does)
Part 3 语法专项突破
(聚焦单元核心语法,含规则、例句与针对性练习)
考点一:一般现在时的第三人称单数(三单)
【核心规则】
当主语是 “第三人称单数”(he/she/it/ 单数名词,如 Tom/the dog/a book)时,实义动词需变三单形式,规则如下:
主语类型 动词形式 例句
第三人称单数(he/she/it/ 单数名词) 三单形式 Daniel doesn’t play football. He plays basketball.
非三单(I/you/we/they/ 复数名词) 原形 We like swimming. / The children watch films.
【否定句与肯定句】
肯定句:主语(三单)+ 动词三单 + 其他;
否定句:主语(三单)+ doesn’t + 动词原形 + 其他。
【即学即用】
Linda never ______ (study) hard in Chinese.(答案:studies)
He usually ______ (walk) to school with his classmates.(答案:walks)
Peter ______ (not look) sad today. He is happy.(答案:doesn’t look)
考点二:句型转换(实义动词句)
【核心规则】
针对含实义动词(如 like/play/watch/study)的句子,转换规则如下:
转换类型 规则 例句(原句:My sister likes swimming.)
变一般疑问句 1. 非三单主语:Do + 主语 + 动词原形 + 其他?
2. 三单主语:Does + 主语 + 动词原形 + 其他? —Does your sister like swimming
—No, she doesn’t.
变否定句 1. 非三单主语:主语 + don’t + 动词原形 + 其他?
2. 三单主语:主语 + doesn’t + 动词原形 + 其他? The boy doesn’t do well in Chinese.
单数句变复数句 1. 名词变复数:child→children, film→films;
2. 动词变原形(主语从单变复,非三单) The child watches an interesting film. → The children watch some interesting films.
【即学即用】
Lucy comes from the UK.(变一般疑问句并作肯定回答)(答案:—Does Lucy come from the UK —Yes, she does. )
They play football after school.(变否定句)(答案:They don’t play football after school.)
考点三:all 的位置
【核心规则】
“all” 表示 “全部;都”,位置取决于句子中的动词类型:
1. 接 be 动词:all 放 be 动词之后(be + all);
2. 接实义动词:all 放实义动词之前(all + 实义动词)。
【例句】
These are my new classmates. They are all very nice.
We all like playing basketball.
【即学即用】
The students ______ (all be) in the classroom now.(答案:are all)
They ______ (all like) reading English books.(答案:all like)
考点四:介词 around 的用法
【核心规则】
1. 表示 “环绕;围绕”,后接名词(如 flowers/the house);
2. 表示 “大约”,后接数字(如 around 5 o’clock/around 100 people)。
【例句】
Can you see quite a few butterflies flying around the flowers
There are around 30 students in our class.
【即学即用】
The moon goes ______ (around/on) the earth.(答案:around)
He usually gets up ______ (around/in) 7:00 a.m.(答案:around)
Part 4 易错点解析 即学即用
一、高频易错点解析
1. take apart 与 take part 混淆
错误:He likes to take part toys.(take part 表示 “参加”,后接 in)
正确:He likes to take apart toys.(take apart 表示 “拆开”)
2. come true 的主语错误
错误:I come true my dream.(主语不能是人)
正确:My dream comes true.(主语必须是梦想、愿望等)
3. 一般现在时三单形式错误
错误:study→studys(以辅音 + y 结尾,需变 y 为 i 加 es)
正确:study→studies(如:Linda never studies hard in Chinese.)
4. all 的位置错误
错误:They all are happy.(be 动词后接 all)
正确:They are all happy.
5. ask sb for help 漏加 for
错误:Ask your teacher help.(for 不可省略)
正确:Ask your teacher for help.
二、单元综合即学即用
1. My brother is good at ______ (fix) up broken bikes.(答案:fixing)
2. —______ your father ______ (get) up early every morning
—Yes, he ______ at 6:00 a.m.(答案:Does; get; gets)
3. His dream of being a scientist ______ (come) true next year.(答案:will come)
4. The children ______ (all like) playing games. They ______ (all be) very happy.(答案:all like; are all)
5. —What do you usually do ______ your free time
—I usually read books and ______ (take) apart old toys.(答案:in; take)

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