七年级外研版英语语法易错知识点归类 英语有很多很细小的知识点，而这些细小的知识点往往就是考点。同学们很容易由于注意不到而犯错误，下面就初一年级同学们比较容易犯错误的知识点做一个汇总。 [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. [正] Linda often does her homework in the evening, but this evening she is watching TV. [析] 在初一英语学习阶段，我们接触到了两种主要时态：一般现在时和现在进行时。一般现在时表示经常的或习惯性的动作，常和often, usually, sometimes 等时间状语连用。在一般现在时的句子中，若主语是第三人称单数，谓语动词要用其第三人称单数形式。现在进行时表示现阶段正在进行或发生的动作，现在进行时由be(am / is / are)+ving形式构成。 6. 这双鞋是红色的。 [误] This pair of shoes are red. [正] This pair of shoes is red. [析] 在shoes, trousers, gloves, glasses等表示成双成对的衣物或工具名词...
