英语同义句Parents don't allow us to swim in the river.We don't be

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英语同义句
Parents don't allow us to swim in the river.
We don't be allowed to--------.
为什么这样不可以,要用are not

正常的说I am a teahcer 否定怎么说I am not a teahcer .因为am是be,所以用not否定,They are not students.这是最基本的啊,你怎么不说I don't a teahcer啊?因为don't是否定动词的,如：I like you.否定才是I don't like you.因为like是动词
再说这道题,你先明白被动语态是be+done(过去分词)就是说组成里面必须有be,这是规定,没有为什么.根据我上面的例子讲了,否定be用什么,用not.肯定句是we are allowed to.（这是规定,必须这个结构）否定句就是we are not allowed to.
再问： allow也是动词。。。。
再答：对，那有的句子一句话还有好几个动词呢，比如，My father tells me that he will ask my mom to buy a car for me.我爸爸告诉我他会让我的妈妈给我买一辆车。这个句子好几个动词呢，你说怎么否定，你们老师应该讲过：否定要在be动词----is 、am 、are或者谓语动词上进行否定，这句话的are是be动词，和那个I am a teahcer 一样，只要见到be动词，就否定它，至于句子中的其他的词不用管，而且，这个句子中的allowed是分词，它不是动词，不能当谓语。你不要把他和过去式混淆，你们背的那个表应该有三列，第一列是原型，第二列是过去式，第三列是过去分词，也就是这个被动语态里面的done，你要是不明白，你真得看看基础，你完全混淆了。
再问：经过你的指点，我又不混淆了。。

If our parents don't allow us to do so in the f______ we Don't swim in the river 改写同义句 Don't swim in the river.改为同义句 I don't know l how I can swim in the river同义句转换 We don't allow eating in the library同义句 You___ ____ ____eat My parents don't allow me to go out on school midnight.(同义句转 My parents don't allow me to go out on school nights同义句 My parents don't allow me to 1.Don’t swim in this river.(改为肯定句) We don't allow smoking here(改为同义句) we don't allow smoking here 改为同义句 Smoking ------ ------ ---- We don 't need to be there before 9:00 改为同义句 () () () for us