仁爱科普版七下 Unit 9 易混介词(in/on/at)专项讲义
学生版(可直接打印)
单元核心语法
对应单元:Unit 9 From Here to There
核心语法:介词 in/on/at 表时间与地点
核心用法口诀表
表时间(Time)
介词 用法口诀 例句
in 年、月、季节、泛指早中晚 in 2026, in spring, in the afternoon
on 具体某一天、某天的早中晚 on Monday, on June 1st, on Sunday morning
at 具体时刻、固定搭配 at 8:00, at noon, at night
表地点(Place)
介词 用法口诀 例句
in 大地点 / 封闭空间 in China, in the classroom, in the hotel
on 接触面 / 街道 / 楼层 on the desk, on Main Street, on the 2nd floor
at 小地点 / 具体场所 at the bus stop, at the school gate
分层训练
基础层:基础辨析与填空
任务 1:选词填空(in/on/at)
We have English class ______ 9:00 a.m.
My birthday is ______ June 5th.
I usually get up early ______ the morning.
The bank is ______ Center Street.
We will meet ______ the bus stop.
任务 2:判断正误(对打√,错打 × 并改正)
I was born in 2010 on October 1st. ( ) → ____________________
We have a party in Saturday night. ( ) → ____________________
The hotel is at the second floor. ( ) → ____________________
提升层:场景仿写与出行计划
任务 1:问路场景仿写
例句:A: Excuse me, how can I get to the Jianghu Hotel B: Go along this street, and it’s on your right, in the center of the town.
仿写:
A: Excuse me, where is the park
B: It’s ______ Green Street, ______ the library and the supermarket.
A: When will we meet
B: Let’s meet ______ 3:00 p.m. ______ Sunday afternoon ______ the park gate.
任务 2:出行计划(50 词左右)
开头参考:
I will go on a trip this weekend. I will leave home ______ 8:00 a.m. ______ Saturday morning. I will meet my friend ______ the train station...
培优层:旅行日记写作(80 词左右)
要求:
至少使用 4 个不同介词(in/on/at),分别表时间和地点
结构:出发时间 → 交通方式 → 目的地 → 活动 → 感受
时态:一般过去时
写作提示 / 关键词:
时间类:______ (具体日期)、at 8:00 a.m.、in the morning/afternoon
地点类:at the station、in ______ (城市 / 公园 / 景区)、on the road/street
动作类:get up、leave home、take a bus/bike、meet friends、walk、have a picnic、take photos
感受类:happy、great、wonderful、interesting
易错点提醒
时间混淆:in Monday → on Monday ;at the morning → in the morning
地点混淆:at the classroom → in the classroom ;in the bus stop → at the bus stop
固定搭配:at night / at noon / on time / in time
教师版(含答案 + 课堂互动设计)
课堂导入(5 分钟)
情境引入:展示 Unit 9 主题图(问路 / 出行场景),提问:“How do we say ‘在早上 / 在周一 / 在车站’ in English ”
目标呈现:板书 in/on/at,明确本节课要解决 “时间 + 地点介词混淆” 问题
知识点精讲(10 分钟)
口诀记忆:带领学生齐读时间 / 地点用法口诀,配合手势强化记忆
例句操练:逐句带读例句,让学生替换时间 / 地点造新句
分层任务实施
基础层(10 分钟)
学生独立完成任务 1、2,教师巡视批改
集体订正,重点讲解错误率高的题目(如具体日期用on、楼层用on)
提升层(10 分钟)
小组合作完成仿写任务,每组派代表展示
教师点评:重点关注介词搭配准确性和场景贴合度
培优层(10 分钟)
学生独立完成旅行日记写作,教师巡视指导
优秀作品展示,对比分析介词使用的多样性与准确性
课堂小结(3 分钟)
回顾核心用法口诀,强调易错点
布置分层作业
答案与解析
基础层任务 1 答案
at
on
in
on
at
基础层任务 2 答案
× → I was born on October 1st, 2010.(具体日期用on)
× → We have a party on Saturday night.(具体某天晚上用on)
× → The hotel is on the second floor.(楼层用on)
提升层仿写参考答案
on, between
at, on, at
培优层范文参考
I had a great trip last Sunday. I got up at 7:00 a.m. and left home at 7:30. I took a bus to the mountain park. The park is in the north of our city. We met at the gate at 8:30. We walked on the path and had a picnic in the park. It was a wonderful day!
分层作业布置
基础层:背诵用法口诀,订正基础层错题,仿写 5 个正确句子
提升层:完成出行计划写作(50 词)
培优层:完成旅行日记写作,录制 1 分钟朗读音频
课堂互动小游戏(可选)
“介词炸弹”:
教师说出时间 / 地点短语(如 “in the morning”),学生快速判断介词是否正确
错误短语即为 “炸弹”,学生需举手喊出正确介词,答对加分