sb is said to do/ to have done / to be doing 中不定式的用法详解 与 例句
题目
sb is said to do/ to have done / to be doing 中不定式的用法详解 与 例句
答案
提供几个实例,请注意括号内的时态,相信您会领悟到:
1、Someone says that she( works) as an actress.
It is said that she works as an actress.
She is said to work as an actress.
2、People say that he( has finished) wriiting a novel.
It is said that he has finished wriiting a novel.
He is said to have finished wriiting a novel.
3、Tom says that Lilly ( is reading) in the sun.
It is said that Lilly is reading in the sun.
Lilly is said to be eading in the sun.
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
最新试题
热门考点
- All the teachers have a high oppinion of Marry beacuse she is smart and hard-working
- 用3,5,0,6和小数点写出6个小于1的三位小数.(4个数字全部要用上且没有重复的数字)
- H2 O2 NO NH3 NO2 哪种气体的制备原理和其它的不同(详细)
- 若(cosa/√1+tan^2a)+(sina/√1+1/tan^2a)=-1,则角a所在的象限是?
- Where is the _____(银行)
- 一筐梨连筐重42.5千克,卖出一半后连筐重22.4千克,请问梨重多少千克?
- 文章的写作方法之一,描写人物,时间或者景物的文章
- how to make sense out of science翻译
- 氧化反应中也能引入羟基吗?举个例子.
- 一个分数,分母和分子的和为23,如果它们的分子、分母都减去1,则成二分之一,这个分数是多少.