[第一类] 名词类

1. 这些女老师们在干什么?

[误] What are the woman teachers doing?

[正] What are the women teachers doing?

[析] 在英语中，当一名词作定语修饰另一名词(单或复数形式)时，作定语的名词一般要用其单数形式;但当man，woman作定语修饰可数名词复数形式时，要用其复数形式men，women.

2. 房间里有多少人?

[误] How many peoples are there in the room?

[正] How many people are there in the room?

[析] people作“人、人们”解时，是个集合名词，其单复数同形。

3. 我想为我儿子买两瓶牛奶。

[误] I want to buy two bottle of milk for my son.

[正] I want to buy two bottles of milk for my son.

[析] 表示不可数名词的数量时，常用“a / an或数词 +表量的可数名词 + of + 不可数名词”这一结构， 其中当数词大于1时，表量的可数名词要用其复数形式。

[第二类] 动词类

4. 你妹妹通常什么时候去上学?

[误] What time does your sister usually goes to school?

[正] What time does your sister usually go to school?

[析] 借助助动词do(或does)构成疑问句或否定句时，句中的谓语动词用其原形。

5. 琳达晚上经常做作业，但今晚她在看电视。

[误] Linda often do her homework in the evening，but this evening she watching TV.