Unit 3 语法专项课件 频率副词(共20张PPT) 2025-2026学年冀教英语七年级下册

(共20张PPT)
教学课件
冀教英语七年级下册
Unit3 语法专项—— 频率副词
全解精讲+分层练习
学习目标
掌握6个核心频率副词的含义、频率顺序与用法
熟练掌握频率副词在句中的三种位置规则
能准确描述日常课后活动的发生频率
会用频率副词回答 How often 引导的问句
规避位置使用中的常见错误
核心定义
频率副词用来表示动作发生的次数与频率。
本单元围绕课后活动、日常习惯话题使用。
重点掌握：always, usually, often, sometimes, seldom, never。
是描述日常习惯最基础、最常用的语法点。
6个核心频率副词（含义+占比）
always 总是，一直（100%） usually 通常（80%）often 经常（60%）
sometimes 有时（40%） seldom 很少20%） never 从不，绝不（0%）
频率顺序（从高到低）
always → usually → often → sometimes → seldom → never
按频率从最多到最少排列。
做题与写作时可按此顺序快速判断。
位置规则一：实义动词前
句子谓语是实义动词（play/do/go/read等）。
频率副词放在实义动词前面。
例句：I often play basketball after school.
例句：They sometimes join the art club.
位置规则二：be动词后
句子谓语是be动词（am/is/are）。
频率副词放在be动词后面。
例句：She is always helpful to others.
例句：They are never late for class.
位置规则三：情态/助动词后
句子含有情态动词（can/will）或助动词（do/does）。
频率副词放在情态/助动词后，实义动词前。
例句：I can sometimes finish homework early.
例句：Do you often help your parents at home
用法一：描述日常习惯与课后活动
用于说明平时、周末、上学日做某事的频率。
贴合本单元“课后活动”主题。
例句：Li Ming usually draws pictures in the art club.
例句：I seldom watch TV on school days.
用法二：回答 How often 问句
How often… 专门用于提问频率。
回答必须使用频率副词或表示次数的短语。
例句：— How often do you play sports
— I always play sports after school.
易混点：sometimes / some times
sometimes 频率副词，意为有时。
some times 意为几次、几倍，表次数。
例句：I sometimes go to the library.（有时）
例句：I go there some times a week.（几次）
常见错误提醒
错误：I play often basketball.
正确：I often play basketball.（实义动词前）
错误：He always is busy.
正确：He is always busy.（be动词后）
错误：Can you sometimes help me
正确：You can sometimes help me.（情态动词后）
一、根据句意与频率选词填空
（always, usually, often, sometimes, seldom, never）
1.I get up early every day. I __________ get up at 6:30.
2.Tom doesn’t like swimming. He __________ goes swimming.
3.I don’t walk to school. I __________ take the bus.
4.She is a good student. She is __________ late for school.
5.My brother __________ reads books before bedtime. He likes reading.
always
seldom
usually
never
often
二、写出频率副词的中文意思
1.always ____________
2.usually ____________
3.often ____________
4.sometimes ____________
5.seldom ____________
6.never ____________
总是
通常
经常
有时
很少
从不
三、用合适的频率副词改写句子
1.I eat breakfast at home.（总是）
2.He plays computer games on weekends.（很少）
3.They go to the library after school.（通常）
4.She eats junk food.（从不）
I always eat breakfast at home.
He seldom plays computer games on weekends.
They usually go to the library after school.
She never eats junk food.
四、把频率副词放在正确位置
1.I am late for school.（never）
2.We play football after class.（often）
3.She can help me with English.（sometimes）
4.They do their homework at night.（usually）
I am never late for school.
We often play football after class.
She can sometimes help me with English.
They usually do their homework at night.
五、单项选择
1.— How often do you listen to music
— I ______ listen to music. I like it very much.
A. never B. often C. seldom
2.My father ______ drives to work. He walks every day.
A. always B. usually C. never
3.She is ______ quiet in class.
A. sometimes B. some times C. time
4.I ______ watch TV on school days. I’m too busy.
A. often B. seldom C. always
B
C
A
B
六、按要求完成句子
1.I often walk to school.（对划线提问）
________ ________ do you walk to school
2.They usually play ping-pong after school.（改为否定句，用never）
They ______ play ping-pong after school.
3.He sometimes helps his mom.（改为一般疑问句）
______ he sometimes ______ his mom
How often
never
Does help
七、英汉互译
1.I always help my parents do housework.
2.She seldom eats fast food.
3.你通常什么时候做作业？
4.他从不迟到。
我总是帮父母做家务。
她很少吃快餐。
When do you usually do your homework
He is never late.
课堂总结
频率副词表示动作发生的次数。
6个核心词：always, usually, often, sometimes, seldom, never。
位置口诀：实义前，be后，情态助动中间放。
How often… 提问，用频率副词回答。
用于描述日常习惯、课后活动与生活规律
教学课件
Unit3 语法专项—— 频率副词
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