Pencils are used to write with 同义句是pencils are used for writ

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/22 00:14:27

Pencils are used to write with 同义句是pencils are used for writing为什么后面的句子没with 了
这是老师说的.她说也没什么依据拜托哪位乐于助人滴告诉偶.

e used to 不定式,后面只能接动词原型.
be used for doing 用了介词for ,可以接动名词.
意思都是“被用来做……”.
这里还有个问题
write with和write的用法
i have a pencil to ------write with要用笔来写——还原i write with a pen.
i have a letter to ------write要写信——还原i write a letter.
给你多个例子方便你理解
i want to find a hotel to stay in——还原成 i stay in a hotel.
i want to find somewhere to stay ——还原成i stay somewhere
这里的somewhere 是个副词,可以直接加动词后面.
有些用法是固定的,比如write with 还有一楼说的listen to,要记住哈.
再问：嗯嗯你说的很详细。。我想是说 foe后面动词加了ing后转换为动名词主要是名词词性。。而名词是不需要跟上介词的也有人是像这样子回答我的。。我也本来这么想过。。这么想。对吗？不过你的举例法让我很能理解。。谢谢、
再答：可以这么理解哈，只要便于你理解记忆，符合语法规则的解释都是行得通的。最重要的是你能想得通，做题能做对。老师总会这样说：你就这么记住，这是固定搭配！ O(∩_∩)O~ 另外再补充说一句， write with a pencil是一个介宾结构换个思维想，翻译我用铅笔写，就是i write with a pencil，去掉with当然是错的。这个介词是一定要有的，表示pencil是write的工具，而不是write的对象。

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