不知道你有没有学过分词做定语,学过了很容易就能理解.
分词就是指动词的变形 有现在分词:动词后加个ING 过去分词:动词后加个ED的.
分词可以用来修饰名词,动词,以这种方法使句子简化,
在你给的句子里 used 是use的过去分词直接做engine 的后置定语,用来修饰或补充说明engine,所以不用加was
上述仅为个人意见,建议你在专业语法书中查找
请教一道词形转换题It is the most important invention since the type o
3个回答
相关问题
-
英语翻译Invention of glassesWhat is the most important invention
-
the computer is the most important invention in human histor
-
It is the most,It is most,It is the most important,It is mos
-
完形填空 开头The Internet is the most important human invention si
-
in your opinion,what is the most important invention in your
-
Paper is one of the most important products ever invented by
-
（）of the most important inventions of the time,the telephone
-
What do you regard as the most important modern invention?此题
-
Breakfast is very important. It is one of the most important
-
初中英语词形转换词形转换Walking on the moon in the space （ ----- ）is lik