I hate it when people talk with mouth full!不要it 行不行?why?

I hate it when people talk with mouth full!不要it 行不行?why?
I hate it when people talk with mouth full!不要it 行不行?why?

I hate it when people talk with mouth full!不要it 行不行?why?
hate是不能接宾语从句的.
it引导了一个同位语从句.
so要有it.

不行，那是形式宾语，去掉后句子就不完整了，缺少宾语

从句WHEN PEOPLE ....是修饰IT的，指IT的具体内容。
同时I HATE 后面应该是名词，所以整句话的结构按照中文应该为
我讨厌PEOPLE TALK WITH MOUTH FULL（的这件事）
IT代指这件事，然后WHEN 。。。对这件事进行了具体的描述。
IT是句子里的宾语，也就是主要的部分，如果提炼整句以主谓宾的形式，就是I HATE IT，比如...

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从句WHEN PEOPLE ....是修饰IT的，指IT的具体内容。
同时I HATE 后面应该是名词，所以整句话的结构按照中文应该为
我讨厌PEOPLE TALK WITH MOUTH FULL（的这件事）
IT代指这件事，然后WHEN 。。。对这件事进行了具体的描述。
IT是句子里的宾语，也就是主要的部分，如果提炼整句以主谓宾的形式，就是I HATE IT，比如I LIKE APPLE THAT IS RED，我喜欢红的苹果，句子主要成分是我喜欢苹果I LIKE APPLE，然后才是修饰苹果——红的那种THAT IS RED。
所以虽然有的从句可以省略IT THAT，但是IT在这里省略不合适。

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I hate IT when people talk with THEIR mouth full.
I hate when people talk with THEIR mouth full.
or
I hate it when people talk with a full mouth.
I hate when people talk with a full mo...

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I hate IT when people talk with THEIR mouth full.
I hate when people talk with THEIR mouth full.
or
I hate it when people talk with a full mouth.
I hate when people talk with a full mouth.
都可以说
IT in "I hate IT when people talk with THEIR mouth full." refers to meaning #5 below...
it
pron.
1. Used to refer to that one previously mentioned. Used of a nonhuman entity; an animate being whose sex is unspecified, unknown, or irrelevant; a group of objects or individuals; an action; or an abstraction: polished the table until it shone; couldn't find out who it was; opened the meeting by calling it to order.
2． Used as the subject of an impersonal verb: It is snowing.
3.Used as an anticipatory subject or object: Is it certain that they will win?
4.Used as an anticipatory subject to emphasize a term that is not itself a subject: It was on Friday that all the snow fell.
5. Used to refer to a general condition or state of affairs: She couldn't stand it.
6. Used to refer to a crucial situation or culmination: This is itthe rivals are finally face to face. That's it! 7. I won't tolerate any more foolishness.
8. Informal. Used to refer to something that is the best, the most desirable, or without equal: He thinks he's it. That steak was really it!
http://www.dictionary.com

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