频率副词：
一般用来表示动作发生的频率。

往往放在句子中间，实义动词之前，非实义动词之后；非实义动词分为1 系动词be.2 助动词帮助动词构成时态（do,does,will,shall,have,had,has）.3 情态动词（must,can,may)。

除此之外，都叫做实义动词。

1..频率副词用在be动词后。

He always gets up at 6:30.
他经常六点半起床。

2.频率副词用在主要动词前。

My father usually walks home.
我的父亲经常步行回家。

3.频率副词用在助动词与实义动词之间。

I will always love you.
我将永远爱你。

4,频率副词位置记忆口诀：be后
实动前
助主间
对频率提问用how often或how many times
IV. 頻率副詞的問句：
頻率副詞的原問句，使用How Often…..。

例1. A: How often do you go shopping at the supermarket? B: I sometimes go shopping ○
there.
2. My father often drives me to school. How often does your father drive you to school?
*牛刀小試*
A:你時常打籃球嗎？B：不，我沒有時常打。

但我有時候會游泳。

永遠當個好學生。

絕對不要在上課時說話。

A:你叔叔多久去一次美國？B:他每年去那裡兩次。

我奶奶時常去購物，但我爺爺有時候才去。

频率副词专练
1. I __ ate vegetables before, but now I __ eat them because they are good for our health . （用often, seldom填空）
2. Simon goes running every day and he is ____ healthy. (用never, always填空)
3. lunch, we, a hamburger, have, sometimes, for （连词成句）
_________________________
4. Andy always has meat for dinner. （变否定
句） Andy ______ _____ _____ meat for dinner.
5. He doesn’t often go to the park. （改为肯定句）He _____ ______ to the park.
6. Sandy seldom plays badminton （就划线部分提问）
____ ___ ____ Sandy ____ badminton?
7. I eat noodles three times a week. （同上）___________________________
8. We often have milk and eggs for breakfast. （同上）__ __ you __ __ for breakfast?
9. Sometimes he ____ (watch) TV in the evening.
10. My sister never play soccer. (改错)
Attention1．练习：用正确的特殊疑问词和Be动词填空
Example：What’s your name? My name is Frank.
1.__________ Guangzhou? It’s in Guangdong.
2._________ your birthday? It’s in June.
3.__________ your teacher? My teacher is Ms.Zhou.
4.__________ a rose? A rose is a flower.
5.__________ you late? I’m late because of traffic.
6. __________ your parents? They’re in my country.
7.__________ you? I’m fine. And you?
8.__________the teacher’s office? It’s in the second floor.
9.__________ the restrooms? They are at the end of the hall.
10._________ Labor Day in China? It’s in May.
11.__________we here? We are here because we want to learn English.
12. __________ the weather today? It's cloudy and cool.
二．how long的用法
how long有以下两个主要意思：
1. 表示多长时间，主要用来对一段时间(如three days, four weeks 等)提问。

如：
A：How long did he stay here? 他在这儿呆了多久?
B：About two weeks. 大约两个星期。

A：How long does it take to get to London from here? 从这里到伦敦要多长时间?
B：At least ten hours. 至少要10个小时。

2. 表示某东西有多长。

如：
A：How long is the river? 这条河有多长？
B：About 500 km. 大约500千米。

二、how often的用法
how often 指每隔多久，主要用来对频度副词或状语(如：once a week, three times a month 等)提问。

如：
A：How often does he come here? 他(每隔)多久来一次?
B：Once a month. 每月一次。

A：How often do you visit your mother? 你多长时间看你妈妈一次?
B：Once a week. 一周一次。

how soon的用法
how soon 指再过多久，主要用来对表示将来的一段时间(如：in an hour, in two weeks 等)提问。

如：
A：How soon will he be back? 他要多久才回来?
B：In an hour. 1 小时以后。

A：How soon shall we know the results? 我们多久能知道结果?
B：I don’t know. 我不知道
How far 的用法
A:How far is your home from your school?
B: My home is two kilometers away from my school.
attention 2:
for有很多种用法：1. 表示“当作、作为”。

如: I like some bread and milk for breakfast. 我喜欢把面包和牛奶作为早餐。

What will we have for supper? 我们晚餐吃什么? 2. 表示理由或原因,意为“因为、由于”。

如: Thank you for helping me with my English. 谢谢你帮我学习英语。

Thank you for your last letter. 谢谢你上次的来信。

Thank you for teaching us so well. 感谢你如此尽心地教我们。

3. 表示动作的对象或接受者,意为“给……”、“对…… (而言)”。

如: Let me pick it up for you. 让我为你捡起来。

Watching TV too much is bad for your health. 看电视太多有害于你的健康。

4. 表示时间、距离,意为“计、达”。

如: I usually do the running for an hour in the morning. 我早晨通常跑步一小时。

We will stay there for two days. 我们将在那里逗留两天。

5. 表示去向、目的,意为“向、往、取、买”等。

如: Let’s go for a walk. 我们出去散步吧。

I came here for my schoolbag.我来这儿取书包。

I paid twenty yuan for the dictionary. 我花了20元买这本词典。