用has写5个句子并变为否定句

Question

如题所述

Answer 1

She has not seen so big snake before.
He has not eaten so delicous food before.
Tom has not been to the Great Wall.
Lily has not found her purse.
My teacher has not got married now.
not都去掉就是肯定句。太麻烦了，我就不变了。

Answer 2

Working with white people hasn't been a problem for me or for them
和白人共事对我、对他们来说都不是个问题。
He has been fishing all morning but hasn't had a single bite.
他钓了一上午的鱼，但没有一条鱼咬钩。
For a whole week he hasn't put in an appearance, so we are wondering whathappened to him.
他有整整一周没露面了，所以我们都在想他出了什么事了。
She hasn't got a work permit
她还没有拿到工作许可证。
My term hasn't finished yet
我的任期还没有满。