【itisthat强调句用法】在英语语法中,“It is that”结构是一种常见的强调句型,用于突出句子中的某个成分,如主语、宾语、状语等。这种句型能够帮助说话者更清晰地表达重点内容,使信息更加突出。以下是对“it is that”强调句用法的总结与归纳。
一、基本结构
“it is that”强调句的基本结构为:
> It is/was + 被强调部分 + that/who + 其余部分
- “it”是形式主语,没有实际意义。
- “is/was”表示时态。
- “that/who”引导强调部分后的从句。
- “被强调部分”可以是主语、宾语、状语等。
二、常见强调对象及例句
强调对象 | 结构示例 | 中文解释 |
主语 | It is Tom that helped me. | 是汤姆帮助了我。 |
宾语 | It is the book that I bought yesterday. | 是我昨天买的那本书。 |
状语(时间) | It was yesterday that I met her. | 是昨天我遇到了她。 |
状语(地点) | It was in the library that I found the book. | 是在图书馆我找到了这本书。 |
状语(方式) | It is by train that he went to Beijing. | 是坐火车他去的北京。 |
人(作主语) | It is she that called me. | 是她给我打的电话。 |
三、使用注意事项
1. 强调对象不能是动词本身
例如:不能说“It is run that he did”,应改为“It is he that ran”。
2. 当强调的是人时,可以用“who”代替“that”
例如:It is the teacher who gave us the homework.
3. 时态要与原句一致
如果原句是过去时,强调句也要用“was”;如果是现在时,则用“is”。
4. 强调句不可用于否定句
否定句中不能使用“it is that”结构,需改用其他方式表达。
四、对比分析
原句 | 强调句 | 说明 |
He gave me a gift. | It is me that he gave a gift. | 强调“我”是接受礼物的人。 |
She studies English every day. | It is English that she studies every day. | 强调“英语”是她学习的内容。 |
They went to Shanghai last week. | It was last week that they went to Shanghai. | 强调“上周”是他们去上海的时间。 |
五、总结
“it is that”强调句是一种非常实用的语法结构,适用于多种语境中对特定信息进行强调。通过正确使用这一结构,可以让语言表达更加清晰、有力。掌握其基本结构和使用规则,有助于提高英语表达的准确性和表现力。
如需进一步练习或深入理解,建议结合真实语境进行模仿和应用。