to be + 形容词 与直接用 形容词 有什么区别?The teacher asked the students to be quiet. Modern telecommunications have had a dramatic impact on our mobility similar to the invention of the automobile or the train.与汽车或者火车这

to be + 形容词 与直接用 形容词 有什么区别?The teacher asked the students to be quiet. Modern telecommunications have had a dramatic impact on our mobility similar to the invention of the automobile or the train.与汽车或者火车这
to be + 形容词 与直接用 形容词 有什么区别?
The teacher asked the students to be quiet.

Modern telecommunications have had a dramatic impact on our mobility similar to the invention of the automobile or the train.
与汽车或者火车这两项发明一样,现代通信对我们的流动性产生了极大影响.

to be quiet 和 直接用similar 好像都是对的?

为什么这里不是 being similar 或者 to be similar

to be + 形容词 与直接用 形容词 有什么区别?The teacher asked the students to be quiet. Modern telecommunications have had a dramatic impact on our mobility similar to the invention of the automobile or the train.与汽车或者火车这
to be + adj 中有让人去做这个adj的行为.有动作性质
直接用adj 就只有那个形容词呈现的状态.

to be加形容词构成的是动词不定式短语，有些动词，如find、know、consider等，可以后接to be加形容词作宾语补语，但有时也可以省去to be，比如：
I know this to be true.
He is considered to be too lazy.
但是在一些句型里就不可以省去to be，比如：
He wanted us to be ...

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to be加形容词构成的是动词不定式短语，有些动词，如find、know、consider等，可以后接to be加形容词作宾语补语，但有时也可以省去to be，比如：
I know this to be true.
He is considered to be too lazy.
但是在一些句型里就不可以省去to be，比如：
He wanted us to be punctual.
你给出的第二句，similar前面最好加一逗号，就能更好地看出，这里的similar作的是状语，所以不用to be，省去的应该是being，但现在分词为being时，常常省略。希望我能帮助你解疑释惑。

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1 The teacher (主语)asked （谓语）the students（宾语） to be quiet（宾语补足语）

2 Modern telecommunications have had a dramatic impact on our mobility similar to the invention of the automobile or the tr...

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1 The teacher (主语)asked （谓语）the students（宾语） to be quiet（宾语补足语）

2 Modern telecommunications have had a dramatic impact on our mobility similar to the invention of the automobile or the train
== Similar to (= like ) the invention of the automobile or the train(从头到这里是插入语结构，可以省略), modern telecommunications（主语） have had （谓语）a dramatic impact （谓语）on our mobility（地点状语）

3 similar to == like

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