副词是托福考试经常考查的一类词汇。副词的作用有很多，掌握副词的用法对于托福考试尤其是托福写作非常有帮助。下面前程百利带大家看一看副词都有哪些作用。
1 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.
2. 用副词开头，常见的情形有：
(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 this semester.
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， without doubt， 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 …”。
eg:
Obviously, he is nervous about the test.=It is obvious that he is nervous about the test.
Unfortunately, he tripped over and fell in the mud.=It is unfortunate 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) 副词表示某一地域或某一领域
Geographically, Canada is the biggest country in the world.
Financially, she is independent, but emotionally she is dependent.
当然，副词的作用除了以上列举的几条之外还有其他的用法，剩下的就需要大家在实际的托福写作练习和考试中去发现和总结了。最后，小编祝大家在托福考试中取得好成绩!
您还可能关注：
