频度副词(Adverbs of Frequency)
一定义
属英语中时间副词(Adverbs of Time)0勺一种。

顾名思义，它表示动作发生的频率。

按照频率从高到低的标准，可排列如下：
1. always 总是，一直
The buses are always crowded during rush hours.
2. usually通常，平常
We usually eat out on Sundays.
3. often常常，经常
He is often late for school.
4. frequently屡次地，频繁地(比often正式)
Buses run frequently from the city to the airport.
5. sometimes 有时
Sometimes he goes to school by bike and sometimes by bus.
6. occasionally偶尔地，有时地
I occasionally go to the movies with her.
7. seldom很少，不常
I have seldom met her recently.
8. rarely很少，难得
He rarely goes out for dinner.
9. scarcely
They have scarcely gone out since the baby was born.
10. never从不，一次也没有
He is never late for his appointments.
二，用法
1. 频度副词通常位于实义动词之前，动词be、助动词、情态动词等之后。

如: We often get together.
Jane usually goes to work by bike. unt:
He sometimes goes there on business.
He can never understand.
I was never very good at maths.
注：如果有两个助动词，频度副词通常放在第一个助动词后面。

如: We have never been invited to one of their parties.他们聚会，——次也没邀请过我们。

She must sometimes have wanted to run away她有时候一定想至^ 过要逃走。

2. 频度副词位于句首的用法
1) . sometimes常可用于句首。

如：Sometimes she comes late有时她来得晚。

Sometimes she didn ' t agree withmek和我意见不一致。

2) . often用于句首时，
通常表示强调，且其前一般有quite, very修饰。

如: Very often he comes in late他常常迟到。

Quite often the phone rings when I ' mteJhl ^SafcK洗澡时响。

3) usually有时也用于句首，其前不用修饰语。

如：Usually I get Romani平时起得早。

五、频度副词练习
一. 写出频度副词
1. 总是，一直
2.通常
3.经常
4.有时
5.很少
6.稀少
7.几乎不8.从不
二. 把句子填写完整
1. You forgot to do your homework. (rarely)你几乎忘记了做你的作业。

2. English people shake hands. (seldom^ 国人很少握手。

3. He gets up at 6 o ' clock every morning.(never)
他每天早晨从来不在六点钟起床。

4. We have seen such a beautiful sunset. (rarely)
我们很少看到如此xx的日落。

5. They have breakfast at home. (seldom 他们很少在家里吃早餐。

6. She is on time.( never她从来不守时。

7. Your grandparents go out for a walk. (hardly)
你的爷爷奶奶几乎不出去散步。

8. The sun rises in the west. (never*阳从来不在西边升起。