Advanced Cleft Sentences with 是...的
Advanced uses of 是...的 for focusing on time, place, manner, or purpose of past actions
Pattern
Subject + 是 + Focus Element + Verb + 的
Explanation
The 是...的 construction at the advanced level goes beyond simple past tense emphasis. It is used to highlight specific circumstances of a known action: when, where, how, why, or with whom something happened. The focus falls on the element placed between 是 and the verb.
In complex sentences, 是 can be omitted while 的 remains, creating a softer emphasis. When the verb has an object, 的 can appear either before or after the object. The construction presupposes that the action happened and focuses on its circumstances.
Examples
他是坐飞机来的，不是坐火车。
Tā shì zuò fēijī lái de, bú shì zuò huǒchē.
He came by plane, not by train.
我是在北京认识她的。
Wǒ shì zài Běijīng rènshí tā de.
It was in Beijing that I met her.
这本书是为了帮助初学者写的。
Zhè běn shū shì wèile bāngzhù chūxuézhě xiě de.
This book was written to help beginners.
Common Mistakes
他是来了的昨天。
他是昨天来的。
The focused element (time, place, manner) must come between 是 and the verb, with 的 at the end of the clause.
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