真实例子:给老外写邮件,不知道这个意思时态怎么才确切.句子:本人在昨天以前还没有收到你的来信.言下之意,现在收没收到不知道.造成误会的错误:I had not received your letter till yesterday.
问题描述：
真实例子:给老外写邮件,不知道这个意思时态怎么才确切.
句子:本人在昨天以前还没有收到你的来信.
言下之意,现在收没收到不知道.
造成误会的错误:
I had not received your letter till yesterday.
答
过去完成时
答
not untill 直到。。。才。。。
已经收到了。。
直到昨天，我才收到你的信。
答
I haven't received your mail as of yesterday.
答
正确
答
别用till
直接I hadn't received your letter yesterday