七年级易错知识点正误例析

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分类例析。

[第一类] 名词

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(单数或复数形式)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. 我想为我奶奶买两瓶牛奶。

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

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

[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

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,句中的谓语动词要用其原形。

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)+v-ing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前用pair(表计量)修饰时,谓语动词的形式由pair的单复数形式来决定。

[第三类] 代词

7. 这张票是她的,不是我的。

[误] This is hers ticket. Its not my.

[正] This is her ticket. Its not mine.

[析] 物主代词有形容词性物主代词和名词性物主代词之分。形容词性物主代词之后一定要接名词,而名词性物主代词之后不需接任何词。

8. 吴老师教我们英语。

[误] Miss Wu teaches our English.

[正] Miss Wu teaches us English.

[析] teach sb. sth.中的sb.作teach的宾语,因此当sb.为人称代词时要用其宾格形式。

[第四类] 介词

9. 你能找到这个问题的答案吗?

[误] Can you find the answer of this question?

[正] Can you find the answer to this question?

[析] 英语中用“the answer to…”表示“……的答案”。类似的结构还有the key to the door, the way to the zoo等。

10. 格林先生星期日晚上来这里。

[误] Mr. Green will come here in Sunday evening.

[正] Mr. Green will come here on Sunday evening.

[析] 表示在上午、下午、晚上等时,介词要用in;而表示在具体的某天上午、下午、晚上时,介词要用on。

11. 那个穿着红裙子的小女孩是我们老师的女儿。

[误] That little girl on a red skirt is our teachers daughter.

[正] That little girl in a red skirt is our teachers daughter.

[析] 用介词表示“穿戴衣物”时,只能用in,其他介词没有此用法。

[第五类] 副词

12. 莉莉,你为什么不回家呢?

[误] Lily, why dont you go to home?

[正] Lily, why dont you go home?

[析] come, go 等后接here, there, home等地点副词时,地点副词前不加to。

[第六类] 连词

13. 我喜欢语文和英语,但我不喜欢体育和历史。

[误] I like Chinese and English, but I dont like P.E. and history.

[正] I like Chinese and English, but I dont like P.E. or history.

[析] 在肯定句中并列成分之间用and来连接;而在否定句中,并列成分之间的连接需用or。

[第七类] 冠词

14. 乘飞机去北京花了史密斯一家人一个小时。

[误] It takes Smiths a hour to go to Beijing by a plane.

[正] It takes the Smiths an hour to go to Beijing by plane.

[析] ①表示“……一家人”用结构“the+姓氏复数”; ②hour 一词的第一个字母不发音,它是以元音音素开头的,所以“一小时”要用 an hour; ③用介词by表示“乘坐”某种交通工具时,交通工具名词前不加任何冠词。

[第八类] 句法

15.“你不是学生吗?”“不,我是学生。”

[误] “Arent you a student?”“No, I am.”

[正] “Arent you a student?”“Yes, I am.”

[析] 对否定疑问句的回答是用Yes还是用No,这取决于实际情况:如果事实是肯定的,就用Yes表“不”;如果事实是否定的,就用No表“是的”。