在SAT考试中，如何正确理解题意与语法紧密相关，因为它并不如句子结构错误一般有规律可循。而这之中副词的辨析又是一个重点。下面环球教育SAT考试总结了SAT中常考的副词的用法。

　　1. SAT语法考试副词的种类

　　(1) 时间副词，如：ago, before, already, just, now, early, late, finally, tomorrow等。

　　(2) 地点副词 如：here, there, near, around, in, out, up, down, back, away, outside等。

　　(3) 方式副词 如：carefully, angrily, badly, calmly, loudly, quickly, politely, nervously等。

　　(4) 程度副词 如：almost, nearly, much, greatly, a bit, a little, hardly, so, very等。

　　2. 某些副词在用法上的区别

　　(1) already, yet, still

　　already表示某事物已经发生，主要用于肯定句;yet表示期待某事发生，主要用于否定句和疑问句;still表示某事还在进行，主要用于肯定句和疑问句，有时也可用于否定句。

　　如：We've already watched that film.

　　I haven't finished my homework yet.

　　He still works until late every night.

　　(2) too, as well, also, either

　　too，as well和also用于肯定句和疑问句。too和as well多用于口语，一般放在句末，而also多用于书面语，一般放在句中与动词连用。either用于否定句和否定的疑问句，往往放在句末。

　　如：He went there too.

　　He didn't go there either.

　　I like you as well.

　　I also went there.

　　(3) hard, hardly

　　hardly意为“几乎”，与hard在词义上完全不同。

　　如：I work hard every day.

　　I can hardly remember that.

　　(4) late, lately

　　lately意为“最近、近来”，late意为“晚、迟”。

　　如：He never comes late.

　　Have you been to the museum lately?

　　3. SAT语法中副词比较等级的用法

　　其用法与形容词相似，只是副词最高级前可省略定冠词。

　　如：Of all the boys he sings (the) most beautifully.

　　We must work harder.

　　下面来看几道例题：

　　例1 Tom's father thinks he is already ____.

　　A high enough 　B tall enough

　　C enough high 　C enough tall

　　该题正确答案是B。修饰人高用tall,而建筑物的高用high，并且enough修饰形容词要放在形容词后面。因此该题选B。

　　例2 ____ the worse I seem to be.

　　A When I take more medicine

　　B The more medicine I take

　　C Taking more of the medicine

　　D More medicine taken

　　该题正确答案为B。“the+比较级+…，the +比较级+…”意为“越…，越…”。该句意为：吃的药越多，我的病越是加重。

　　例3 "I haven't been to London yet".

　　"I haven't been there ____."

　　A too 　B also 　C either 　D neither

　　该题正确答案为C。A和B都用于肯定句中。D-neither本身意为否定，“两者都不”，而C-either则用于否定句中，意为“也”。

　　例4 Mr Smith was ____ moved at the news.

　　A deep 　B deeply 　C very deep 　D quite deeply

　　该题正确答案为B。A-deep的确也可以用作副词，但它表示具体含义上的“深”，如dig deep;而B-deeply的含义更抽象，多修饰表示感情色彩的词，如本题中的deeply moved，deeply regret等。而D选项中quite和deeply均为副词，不能互相修饰。

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