be made + 介詞短語
*be made of … 由……制成.從成品中仍可以看出原材料.
The desk is made of wood .
*be made from … 由……制成.從成品中看不出原材料的成份或特征.
Paper is made from wood .
*by made by … 由……制成.by強調(diào)動作的執(zhí)行者.
The machines were made by the workers .
*be made in … 由……制造.in強調(diào)地點.
This kind of watch is made in Shanghai.
*be made into … 把……制成……
Glass is made into bottles.
*be made up of … 由……組成/構(gòu)成
The team is made up of 30 students and a teacher .
再貼個詳細點的：
(1)be made of是…制成的.介詞of所指的原材料往往是未經(jīng)變化、仍可看得出材料的原樣.
This kite is made of paper .這個風(fēng)箏是紙做的.
The old bridge is made of stone .那座古橋是用石頭造的.
This kind of glass is made of paper .這種杯子是紙制的.
(2)be made from由…制成的.介詞from所指的原材料往往是經(jīng)過變化、已看不出原來的材料.
Salt is made from seawater .鹽是用海水制成的.
Bread is made from wheat .面包是小麥制成的.
This kind of drink is made from apple .這種飲料是由蘋果釀成的.
(3)be made in在…制造.介詞in后所要求的是地點.
This bike is made in Shanghai .
這輛自行車是上海制造的.
This kind of car is made in this factory .
這種汽車是這個工廠生產(chǎn)的.
(4)be made by由某人做的.
This machine was made by Uncle Wang .
這臺機器是王叔叔造的.
(5)be made into被制成.介詞into后所要求的是產(chǎn)品.
These things will be made into paper .
這些東西將被制成紙.
Glass can be made into many kind of things .
玻璃可以被制成許多種東西.
(6)be made up of由…組成.介詞of后所要求的是構(gòu)成主語的人或物.
This team is made up of two doctors and five nurses .
這支醫(yī)療隊是由兩名醫(yī)生和五名護士組成的.
Our class is made up of forty students .
我們班是由四十個學(xué)生組成的.