刘永科
刘永科 - 教育出版集团英语总顾问 & 英语系列图书主编
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性别: - 北京 注册于 2014-01-11

擅长:语法理论,语言学,文化背景

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2 赞同

划分主语从句还是宾语从句的问题

Who can tell me the question is wrong.句子开头单词没有大写。此外,句末用句号,还是问号?改为:Who can tell me the question is wrong?技巧是:先弄清楚句子意思。然后是:句意决定形式,形式服从内容。你觉得第二种划分,对吗? (Who can tell me the question) is wrong?

回答于 2021-10-24 11:53

6 赞同

mixed 与 mixing 用法的区别

We could hear the sound of the rain and our footsteps mixed with our laughter.mixed with our laughter 是过去分词短语作 footsteps 的定语,不是伴随状语。直译:与我们笑声混在一起的脚步声。可译为 “和我们笑声交织在一起的脚步声;夹杂着我们笑声的脚步声”。分析句子成分或非谓语动词,首先要了解该动词的用法或结...

回答于 2021-10-24 08:46

2 赞同

describe...against的用法

They describe progress against "Plan A", a set of worthy targets.against 是介词,意思是“根据;依据” 。介词短语 against "Plan A" 作 describe 的方式状语。“根据A计划来描述进展情况”。

回答于 2021-10-23 21:32

2 赞同

关于物质名词数的问题

在英语语言的思维中,并没有把vegetable 看作为不可数的物质名词,而是泛指一种蔬菜。例如:Cabbage is a kind of vegetable.你见到这句子时,不要因为前面有了 a kind of 就认为vegetable不可数。其实,可数名词和不可数名词之前都可以加a kind of表示“种类”,例如:a kind of bike,a kind of coal。此时,无论可数名词与...

回答于 2021-10-23 21:16

2 赞同

英语的副词可以作主语吗

赞同曹老师的观点。Here is your coat. 这是倒装句。关于这个问题,我在这里谈了自己的看法和体会:https://www.cpsenglish.com/article/264

回答于 2021-10-23 10:45

2 赞同

一道介词单选填空题

Richard Johnson was a great US general, starting with his time as a soldier during Vietnam.此题选 during,与 time 相呼应。Vietnam 应该指 “越南战争”。

回答于 2021-10-23 08:27

4 赞同

句子纠错

The world is multiple. With two countries that interests intersect differences in social system, history and culture background, China and American must put mutual respect first. We must respect each other’s system and path, core interests and what they concern. If we want to live in harmony between...

回答于 2021-10-23 07:33

4 赞同

单词estimated的使用

 Today,an estimated 96% of households in Kenya use M-Pesa. 这里,estimated 是个强调形容词,用在数词之前作定语,强调这个数字的程度如何。尽管修饰的数词后面是复数名词,也要加不定冠词。网友说的It's estimated that 96% of households in Kenya…,是被动结构,用形式主语代替从句。是两个不同的结构。 形容词 m...

回答于 2021-10-22 14:58

2 赞同

when含义和使用理解困惑

(1)They had just enough time to swim out of danger when/before the boat again completed a circle.when 和 before 引导的这个从句的动作,都含有 “晚于” 主句的动作,when 表示两个动作间隔非常短。(2)The snow had not stopped ( when) we arrived in Shanghai one hour later.由于本句含有one hour later 这个确定时...

回答于 2021-10-22 12:10

0 赞同

这句话中for which的解释

The purpose of genetic counseling is to enable individuals and families to make important decisions about marriage,reproduction,and health management based on the facts of the genetic situation for which a risk is perceived.for which a risk is perceived 是定语从句,which 指代 the genetic situation...

回答于 2021-10-20 21:28