have共120篇 hasnt 和doesnt have 的区别hasn't 和doesn't have的意思是一样的，只是英国英语喜欢用hasn＇t，美... to have done用法to have done是不定式的完成结构。to have done有三种用法：表示... mustnt have done什么意思mustn't have done可意为“本不必”，即已经做了某事，而实际上不必要。... have great fun to do还是doinghave great fun doing sth。这里省略了in，正确的表达是have fun... have problem doing还是problems英语中常用短语have+problems+doing来表示做某事有困难，而不是用... 上一页 下一页
