为什么这里不要还原to?I heard the boy singing just now.The boy was heard singing just now.

为什么这里不要还原to?I heard the boy singing just now.The boy was heard singing just now.

题目
为什么这里不要还原to?I heard the boy singing just now.The boy was heard singing just now.
答案
hear +宾语 + 宾补[ do/doing/v+ed ]
hear +宾语 +do 宾补此结构中是省略了to的不定式.当变成被动时才要还原to
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.