Unit 4 School days 第三课时 Grammar (时间介词与频度副词) 讲义 2026-2027学年英语译林版七年级上册

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Unit 4 School days 第三课时 Grammar (时间介词与频度副词) 讲义 2026-2027学年英语译林版七年级上册

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Unit 4 School days 第三课时 Grammar(时间介词与频度副词,
课本 p.47–48)
课时基本信息
课题 Unit 4 School days — 第三课时 Grammar
课型 语法课
年级 七年级
课时 第 3 课时
教材 译林版(2024)英语七年级上册,课本 p.47–48
主题 人与自我——时间介词与频度副词
教学重难点
【教学重点】
掌握 in / on / at 三类时间介词的用法并完成课本 A1 对话填空(课本 p.47),掌握六个频度
副词的频率顺序与句中位置,完成课本 B1 填空(课本 p.48),会用 How often 提问频率并
运用 A2 / B2 口头与笔头表达学校生活
【教学难点】
in the morning 与 on Monday morning 的介词选择,频度副词的位置(实义动词前,be、情 态、助动词后)
词汇速览
of course / v k s/ 当然 seldom / seld m/ adv. 很少 tennis / ten s/ n. 网球运
动
roller skate / r l ske t/ vi. 滑旱冰 practise / pr kt s/ vi. & vt. 训练,练习
(一)情境导入:Millie 学校生活里的时间短语(课本 p.47)
复习句(课本 p.44 复现):Her new term starts in September. / School starts at 8 in the
morning. / Her lessons begin at 8:15. / She has Biology lessons on Tuesdays and Thursdays. /
She practises volleyball on Friday afternoons.
观察任务(课本 p.47):Read each sentence and circle the nouns, numbers or noun phrases
representing time.——圈出表示时间的名词、数字或名词短语。
规律初探:in September(月份)、at 8(时刻)、on Tuesdays(星期)、on Friday
afternoons(特定一天的下午)。
课本总起句(p.47 A):We use different prepositions to talk about time.——我们用不同的 介词谈论时间。
【知识点】
prepositions of time 时间介词:英语用 in / on / at 三个介词引出时间,选哪个取决于时间的 “大小”。
(二)介词 in:大于一天的时间(课本 p.47)
【过渡语】先看范围最大的 in。
课本 p.47 表格:in 用于 parts of day(一天的部分)、months(月份)、seasons(季节)、 years(年份)。
例词:morning / afternoon / evening(in the morning);January / March / April / September
(in September);spring / summer / autumn / winter(in autumn);2014 / 2024 / 2034(in
2022)。
课本例句(p.47):We read English in the morning. / Our new term starts in September. / We have a field trip in autumn. / We took a trip to a farm in 2022. 记忆口诀:in 管“大时间”——早中晚、月、季、年。
【知识点】
in + 大于一天的时间:in the morning / in September / in autumn / in 2022——注意 in the morning 是固定搭配。
【提示框】
泛指“在早上”用 in the morning;但具体到某一天的早上要说 on Monday morning。
课本 p.47:介词 in 的用法归纳
(三)介词 on:等于一天的时间(课本 p.47)
课本 p.47 表格:on 用于 days(星期)、dates(日期)、parts of a specific day(特定一天 的部分)、special holidays(特殊节日)。
例词:Thursday / Friday / Saturday / Sunday / weekdays / weekends;February 1st / May 2nd;
Monday morning / Tuesday afternoon / Wednesday evening;Children's Day。
课本例句(p.47):We don't go to school on Saturday. / Our summer holiday starts on 1 July. /
We have a Biology class on Tuesday morning. / We have lots of fun on Children's Day.
对比练习(课本 p.47 语境):in the morning 与 on the morning of 1 June——泛指用 in,具
体某天用 on。
四小题:1. I have a good dinner in the evening. 2. We celebrate his birthday on the evening of
September 9th. 3. They have a happy trip on Sunday afternoon. 4. You'd better do it on the
afternoon of 1 June.
【知识点】
on + 等于一天的时间:on Saturday / on 1 July / on Tuesday morning / on Children's Day—— 凡是“某一天”或“某一天的某一段”都用 on。
【提示框】
判断口诀:看到星期、日期、节日、带修饰的 morning/afternoon 一律用 on;光秃秃的 morning 用 in。
(四)介词 at 与不用介词的情况(课本 p.47)
课本 p.47 表格:at 用于 time of day(时刻)与 age(年龄)。
例词:7 o'clock / 8:30 / 9:15 / 10:45 / 11:00;6 years old / 7 years old。
课本例句(p.47):Millie often gets up at 7 o'clock. / Children in China usually start school at
6 years old.
固定搭配:at night / at noon / at midnight / at dawn——这些短语不用 in 或 on。
不用介词的情况:tomorrow / today / yesterday / every day / next week 等前面不加介词(I
will leave for Beijing tomorrow.)。
补充:after school 放学后;before Friday 周五之前——after 与 before 也可表示时间先后。
【知识点】
at + 时刻或年龄;tomorrow/today/yesterday/every day 前不加任何介词——这是最容易被中 文影响的地方。
【提示框】
at night 是固定搭配,但“在夜里”不说 in the night;具体某天的夜里说 on the night of ...
课本 p.47:介词 at 的用法与固定搭配
(五)课本 A1:Sandy 与奶奶的对话(课本 p.47)
【过渡语】三类介词学完,到课本对话里实战一下。
题干(课本 p.47 A1):Sandy is talking to her grandma about her school plete their conversation with the correct prepositions of time. Grandma: Hi, Sandy. Tell me about your life at school.
Sandy: Sure, Grandma. (1) In the morning, I often have Maths and Chinese lessons. These
lessons begin (2) at 8:15.
Grandma: Good. Do you play any sport at school
Sandy: Oh yes! (3) On Monday, I go swimming. I also play basketball (4) on Friday afternoon.
Every year, we have a big basketball match (5) in November. Grandma: That's exciting! When is this year's match
Sandy: It's (6) on 13 November. It starts (7) at 4:30 in the afternoon. Would you like to come and
watch
Grandma: Of course!
解题策略(课本 TIP):Circle the nouns, numbers or noun phrases representing time.——先 圈时间词再定介词。
【知识点】
三步定介词:圈时间词 → 判断属于“大于一天/等于一天/时刻年龄”哪一类 → 选 in/on/at。
【提示框】
(4) on Friday afternoon 有具体星期所以用 on;(7) at 4:30 是时刻用 at。
(1) In (2) at (3) On (4) on (5) in (6) on (7) at。
(六)课本 B:频度副词的阶梯与位置(课本 p.48)
课本 p.48 说明:Adverbs of frequency tell you how often things happen.——频度副词表示动 作发生的频率。
频率阶梯(课本 p.48):always(100%) > usually(80%) > often(60%) > sometimes(40%) > seldom(20%) > never(0%)。
词义与例句:always 总是(She always arrives early.);usually 通常;often 经常;
sometimes 有时;seldom 很少;never 从不(I will never forget your kindness.)。
课本提示(p.48 TIP):We put an adverb of frequency after the verb be.(I am always happy.)
位置规则:频度副词放在实义动词前面,放在 be 动词、情态动词、助动词后面。
四个例句:I usually have a good dinner. / I can usually have a good dinner. / I don't usually
have a good dinner. / I am often the first one to get to school.
提问方式:How often do you ... ——用 never / sometimes / always 等回答。
【知识点】
频度副词位置口诀:实义动词前,be、情、助之后——I usually get up early. / I am never late.
【提示框】
never 本身表示否定,句中不能再加 don't:I never go 不能写成 I don't never go。
课本 p.48:频度副词阶梯与位置规则
(七)课本 B1 / B2 与巩固(课本 p.48)
题干(课本 p.48 B1):Sandy is writing about how often she and her classmates exercise. Look at the graph above. Then help her complete the notes below.
I do not have much time to play tennis. I (1) seldom play tennis.
Simon loves playing football. He (2) often plays football on the sports field.
Amy is a member of the swimming team. She (3) usually swims after school.
Daniel does not like basketball. He (4) never plays it.
Kitty dances every day. She (5) always dances for half an hour.
Millie (6) sometimes goes roller skating, but she is not good at it.
B2(课本 p.48):Write six sentences about your school activities, using each adverb of
frequency above once.
改写练习:We have vegetables and meat every day. → We always have vegetables and meat for lunch.(按频率图改写)
A2(课本 p.47):Talk with your partner about your school life, using prepositions of time.
【知识点】
填频度副词看线索词:do not have much time → seldom;loves → often;every day → always;but she is not good at it → sometimes。
【提示框】
B2 写六句时六个副词各用一次,写完数一数有没有漏掉或重复。
(1) seldom (2) often (3) usually (4) never (5) always (6) sometimes。
课本 B1:频度副词填空
(八)语言点精讲(课本 p.47–48)
1. of course(课本 p.47:Of course!)——当然;用于爽快应答,相当于 Sure / Certainly。
2. at ... years old(课本 p.47:start school at 6 years old)——在……岁时;同义表达 at the
age of 6。
3. match(课本 p.47:a big basketball match)——n. 比赛;have a match 举行比赛。
4. tennis(课本 p.48:play tennis)——n. 网球运动;球类名词前不加 the(play tennis /
play football)。
5. go roller skating(课本 p.48)——去滑旱冰;go + v-ing 表示去做某项活动(go swimming / go jogging)。
6. How often ... (课本 p.48 语境)——多久一次,问频率;回答用频度副词或 once a week / twice a month。
7. be a member of(课本 p.48:a member of the swimming team)——是……的一员;同义 I am in the swimming team。
【知识点】
How often 问频率,How long 问时长,How many 问数量——三个疑问词别混;球类前不 加冠词。
语言点归纳
语言点精讲(课本 p.47–48):of course(当然);at ... years old(在……岁时);match
(比赛);tennis(网球运动);go roller skating(去滑旱冰);How often(多久一
次);be a member of(是……的一员)——出自课本 p.47–48。
课堂总结
本课学习两个语法项目:时间介词(in 管大于一天、on 管等于一天、at 管时刻与年龄,
并补充不用介词的情况)与频度副词(always→never 频率阶梯、实义动词前 be/情/助后的
位置规则),通过课本 A1 对话与 B1 笔记填空巩固,最后 A2/B2 综合运用。

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