资源简介

(共29张PPT)
一般现在时的频度副词
一般现在时的用法：
I often play games.
1. 经常性, 习惯性动作
One and Two is three.
2. 客观事实，普遍真理
He is a teacher.
3. 目前存在的事实，状态
Do youhave any questions
*
当一般现在时表示经常性或习惯性的动作时，可使用频度副词
频度副词：
表示某一动作发生的频率，即在一定时间内动作重复发生次数
always总是usually通常often经常sometimes有时候seldom['seld m]很少never从不频率大小排列：
I _________ do housework.
always
I Sun Mon Tue Wed Thur Fri Sat
do housework
play the piano
I ________ play the piano.
usually
I Sun Mon Tue Wed Thur Fri Sat
read books
watch TV
I _______ read books.
often
I ___________ watch TV.
sometimes
I Sun Mon Tue Wed Thur Fri Sat
drink cola
play games
I _______ drink cola.
never
I ______ play games.
seldom
频度副词的位置
She is always happy.
It is usually cold in winter.
1. 位于be动词后
小孩有时候可爱。
Children are sometimes cute.
熊猫总是懒惰。
Pandas are usually lazy.
2. 位于情态动词后
I can seldom get up at 6.
他经常能抄到(copy)作业。
He can often copy the homework.
They can always eat lots of hamburgers.
他们总是能吃许多汉堡。
3. 位于行为动词前
What time do you usually get up
我很少看电视。
I seldom watch TV.
他从不做作业。
He never does his homework.
I don't often do housework.
I often do housework.
She doesn't sometimes watch TV.
She sometimes watches TV.
He doesn't usually play basketball.
He usually plays basketball
可用于句首，句中，句末
sometimes
特殊
Sometimes I write to Tom.
我有时候写信给他
I sometimes write to Tom
I write to Tom sometimes.
Sometimes Mike watches movies.
Mike有时候看电影
Mike sometimes watches movies.
Mike watches movies sometimes.
I usually go on the Internet.
特殊疑问句：
= 特殊疑问词 + 一般疑问句
I usually go on the Internet.
对频度副词提问: how often
多久一次
How often
do you go on
the Internet
She always listens to music at home.
How often
does she listen
to music at home
Henry never buys tickets.
How often
does Henry
buy tickets
他从不吃汉堡和蛋糕。
He never eats hamburgers or cakes.
频度副词位于3后，1前：
be动词，情态动词，don't, doesn't 后，
行为动词前
对频率提问，用how often（多久一次）

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