4)主语不一致

But then there is always more mysteries to look into. 92. are [2001春北京题]

is改为are，因为主语是mysteries。

5)代词不一致

The Smiths did his best to make me feel at home. 90. their [NMET1996] his改为their, the Smiths指“史密斯一家”。

6)关系代词与关系副词误用

I live in Beijing, where is the capital of China. 89. which [NMET1997]

where改为which，定语从句中需要关系代词作主语，所以用which。

7)连词误用

It looks as if my parents treat me as a visitor and a guest. 84. or [NMET2001]

and改为or，句中表示选择关系。

8)词性误用

Unfortunate , there are too many people in my family. 89. Unfortunately [NMET1999]

Unfortunate改为Unfortunately，此处表示是副词做主语。

9)限定词误用

We may be one family and live under a

1.动词时态

每年都有时态错误的小题，而且改动基本集中在一般过去时与一般现在时之间。时态的更改要以上下文的主体时态为依据。

(1)(2003全国卷)Shelikeditverymuchandreadsittotheclass.Allsaidthestorywas...84.read

(and连接并列谓语)

(2)(2004江苏卷)AtonceIapologizeandcontrolledmyself...83.apologized

(and连接并列谓语)

(3)(2004全国卷)Sometimes,wetalkedtoeachotherverywellinclass,...82.talk

(根据sometimes可判断此句为一般现在时)

(4)(2005全国卷Ⅱ)Iwillwriteagainandsendyouthephotoswetaketogether.85.took

(把照片寄给你，应该是已经拍好的，用过去时)