下面一句摘自2021年新高考英语全国卷2的语法填空题:
I held presentations at schools to teach kids about plastic waste.
我不太明白这里为什么要加介词 about?
teach sb sth 与 teach sb about sth 的区别是什么?
具体的上下文语境可参考全文完整内容:
To teach sb sth. 这里something 指某方面的知识,经常指一门学科。如: English, history 等。
如果是技能,一般用不定式或动名词形式:如:teach sb (how) to drive 或teach sb driving.
高考题中的to teach kids about plastic waste. 塑料垃圾或废料显然不是学科,也不是知识,
正如波波网友所说,不用about “教孩子们塑料垃圾”这讲不通。
加上about,意思变为有关plastic waste 方面的知识,就合乎逻辑了。
如果要表达具体的意思,如回收、分类等,一般用不定式来表达,
如:to teach kids how to collect/recycle/sort plastic waste.
解答依据: The Free Dictionary 引用《柯林斯惯用法词典》,
给出了清晰的解释,如下请参考:https://www.thefreedictionary.com/teach
Teach: 1.
teaching a subject
If you teach a subject, you explain it to people so that they know about it or understand it.
1. I taught history for many years. 2. English will be taught in primary schools.
When teach has this meaning, it often has an indirect object.
The indirect object can go either in front of the direct object or after it.
If it goes after the direct object, you put to in front of it.
1.That's the man that taught us Geography at school.
2. I found a job teaching English to a group of adults in Paris.
2. teaching a skill
If you teach someone to do something, you give them instructions so that they know how to do it.
1. He taught me to sing a song. 2. His dad had taught him to drive.
When teach is used with a to-infinitive like this, it must have a direct object.
Don't say, for example, 'His dad had taught to drive'.
Instead of using a to-infinitive, you can sometimes use an ing form.
For example, instead of saying 'I taught them to ski', you can say 'I taught them skiing'.
You can also say 'I taught them how to ski'.
1. She taught them singing. 2. My mother taught me how to cook.
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