1.用副词开头

(1) 副词修饰全句

Luckily, he didn’t know my phone number; otherwise, he would bother me.

Incredibly, Helena got straight A in her school report thissemester.

Interestingly, cats and dogs can hardly get along well in a house.

修饰全句常用的副词有：

obviously / undoubtedly

apparently / fortunately

clearly / unfortunately

incredibly / luckily

unluckily / surprisingly

frighteningly

这些副词大多数表示说话人对全句的看法，在意思上相等与“It is ... 形容词that ...”。

举个例子：

Obviously, he is nervous about the test. =It is obvious that he isnervous about the test.

Unfortunately, he tripped over and fell in the mud. =It isunfortunate that he tripped over and fell in the mud.

(2) 强调副词

Hurriedly, the man drew me a scratch map to show me the direction.

Dangerously, the drunkard sped down the street.

Slowly and gently, snowflakes were drifting down from the sky.

(3) 副词表示某一领域

Geographically, Canada is the biggest country in the world.

Financially, she is independent, but emotionally she is dependent.

2.用插入语开头

表示说话人的态度，或使句子的意思更加准确

Strangely enough, Jennifer does not enjoy sunshine and beach.

Generally speaking, winter in Vancouver is gloomy.

类似的插入语有：

no wonder，no doubt

in other words，in my opinion

in conclusion，in fact

s a matter of fact

3.用形容词、并列形容词或形容词短语开头

修饰句子的主语，表示主语的特征或状态

Frantic, the young mother rushed out the door with the baby in herarms.

Tasty and crisp, potato chip are a favorite snack for both childrenand adults.

Happy at his good marks at school, the little boy skipped on his wayhome.

Desperate and hopeless, the poor man committed suicide.

4.用分词、分词短语开头

(1) 修饰句子主语，表示主语所处的状态或主语同时进行的另一个较谓语动词次要的动作。

Scared, the girl moved timidly and cautiously into the dark room.( 状态)

Chased by my dear pet cat, the mouse dashed into a small hole.( 状态 )

Spoiled by his parents, the naughty boy always insists on things hewants.( 状态)

Puffing and hugging, he finished his run.( 另一动作)

Looking at herself in the mirror, she fingered her silk scarf on hershoulder.( 另一动作)

(2) 修饰谓语动词，表示原因、时间等。

Lying down on the couch, he felt much relaxed.( 时间)

Feeling bored, she turned on the TV and switched from channel tochannel.( 原因)

Wanting to find out the business hour, she called the store.( 原因)

Having completed the form, he mailed it out immediately.( 时间)

5.用介词短语开头

表示句子谓语动词发生的时间、地点、方式、原因、条件

On seeing him approach, the girl immediately turned her face to ashop window

pretending to look at something there.( 时间)

Around the corner, a crowd gathered.( 地点)

Unlike his father, Peter touches neither cigarettes nor alcohol.( 方式)

Due to the limit of seats, he was not accepted.( 原因)

In case of fire, use the stairways.( 条件)

6.动词不定式开头

强调谓语动词动作的目的

To celebrate the arrival of the Millennium, we held a grand party inthe hotel.

To show my trust on him, I deposited $ 10,000 into his bank account.

7.用独立分词短语开头

使句子有正式的味道

Birds singing in the tree, another routine day starts.

Sea gulls flying over the water, the old fisherman flung his fishingmeat into the open sea.

A dog following them, the police searched every suspect.

8.用副词从句开头

表示主句谓语动词发生的时间、地点、原因、方式、条件

When you are in need of help, give me a call.

Wherever you go, I follow.

Since your children love hamburgers and fries, we might as well eatin MacDonald.

As if it were summer, everybody wear shorts and a T-shirt.

In case that you get lost, call me at this number.