3）so, such和 how, what

            A. so和how 用来修饰形容词或副词。例：

            How fast he runs!

            It was so hot that I decided to stay at home.

       B. such 和what用来修饰名词。例：

            What a pretty girl she was!

            It was such a serious accident that he was kept in hospital for weeks.

l         注意:

被修饰名词是复数可数名词或不可数名词，要用such,不能用 so。例：

            We have never met so kind people. (误)

            We have never met such kind people. (正)

被修饰名词前有表示数量的词（如：many, much, few, little）时，要用so, 不能用such。 例：

We have never met such many kind people. (误)

We have never met so many kind people. (正)

4) almost, nearly

A. 在肯定句中表示“几乎”的意思时，almost和nearly通常可以互换。如：
           He is almost (nearly) as tall as I.  他几乎和我一样高。
           Dinner is almost (nearly) ready.   快开饭了。
     B. nearly 可被not修饰，意思是“远没有”、“远不及”，almost却不可。

            This book is not nearly interesting as that one.  这本书远不及那本有趣。
          That sum of money is not nearly enough for my journey.   那笔钱远不够我做路费。

C. almost可用在表示否定意义的词 any, no, none, nothing, never 等前，表示“几乎没有”的意思，nearly 却不可。

                   Almost no one believed her. 几乎无人相信她。
                He said almost nothing worth listening to.  他说的话几乎不值一听。

4. 兼有两种形式的副词

1） close与closely

              close意思是"近"；closely 意思是"仔细地"。例如：

              He is sitting close to me. 他就坐在我边上。

              Watch him closely. 盯着他。

2） late 与lately

              late意思是"晚"；lately 意思是"最近"。例如：

        You have come too late. 你来得太晚了。

              What have you been doing lately? 近来好吗？

3） deep与deeply

              deep意思是"深"，表示空间深度；deeply时常表示感情上的深度，"深深地"

例如：     He pushed the stick deep into the mud.他把棍子深深插进泥里。

                     Even father was deeply moved by the film.老爸也被电影深深打动了。

       4） high与highly

              high表示空间高度；highly表示程度，相当于much。例如：

              The plane was flying high. 这架飞机飞得很高。

              I think highly of your opinion. 你的看法很有道理。

5） wide与widely

              wide表示空间宽度；widely意思是"广泛地"，"在许多地方"。例如：

              He opened the door wide. 他把门开得大大的。

              English is widely used in the world.英语在世界范围内广泛使用。

6） free与freely

              free的意思是"免费"；freely 的意思是"无限制地"。例如：

              You can eat free in my restaurant whenever you like. 

无论什么时候，我这饭铺免费对你开放。