1.My brother could nothing but read books 2.he has no alternative but to go to see her.这两个句子中but后面的用法有什么不同,为什么第二个句子是to do形式?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/20 08:31:58
1.My brother could nothing but read books 2.he has no alternative but to go to see her.这两个句子中but后面的用法有什么不同,为什么第二个句子是to do形式?

1.My brother could nothing but read books 2.he has no alternative but to go to see her.这两个句子中but后面的用法有什么不同,为什么第二个句子是to do形式?
1.My brother could nothing but read books 2.he has no alternative but to go to see her.
这两个句子中but后面的用法有什么不同,为什么第二个句子是to do形式?

1.My brother could nothing but read books 2.he has no alternative but to go to see her.这两个句子中but后面的用法有什么不同,为什么第二个句子是to do形式?
原句应该是My brother could do nothing.你漏掉了一个词吧.
but to do 是‘除了做……’.如果句中有实义动词do 时,省略to
He did nothing but watch TV.
I have no choice but to stay at home.

第一个but 后面的to 是省略了,因为could,情态动词。第二个句子是but的正统用法,have ...but to do sth.