1、be made of和be made from都表示“由……制成”，主语为制成品。
2、be made of 表示制成成品后，仍可看出原材料是什么，保留原材料的质和形状，制作过程仅发生物理变化。
3、be made from 表示制成的东西完全失去了原材料的外形或特征，或原材料在制作过程中发生化学变化，在成品中已无法辨认。
4、be made with 指“制作中用了什么东西”，be made with 还可用于抽象意义。多指用声明工具。
5.be made up of 由……制出的,组成”。与 be made of, be made from 意思类似：Our class is made up of six groups. 我们班由六个小组组成。
例句:
The class is made of 60 students.
The desk is made of wood. 桌子是用木头制的。
The kite is made of paper．风筝是用纸做的.
The wine is made from grapes. 酒是用葡萄酿造的。
The table is made of wood. 桌子是用木头制的。
An unlimited number of copies can still be made from the original
仍可以由原件复印出无数份副本来。
Butter is made from milk．黄油是从牛奶中提炼出来的.
Bread is made from flour.
面包由面粉做成。
Look, these neatly lined terra cotta warriors seem to be made with a single mould.
你看，这么多兵马俑都站得整整齐齐的，像是一个模子刻出来的。
Our class is made up of six groups.
be made with是指用什么做成的(一般指伴随着化学变化或肉眼看不出来的),比如说纸是由木头做的，Paper is made with wood.
This salad is made of cucumber and lettuce.
这种沙拉是由小黄瓜和莴苣做成的。
This pair of shoes is made of leather.
这双鞋子是由皮革做成的。
知识拓展：
be made by 由谁制作。by后跟动作执行者。
be made in 由某地制造 接地点如China等
