【问】 许多语法书上都说however不能位于句首。是否如此?

【答】 however位于句首比位于句中的情况要少得多，但是位于句首并不被认为是一种错误。请看下面一些实例：

1. You can phone the doctor if you like. However，I very much doubt whether you will gethim to come out on a Saturday night. (CGEL)

如果你愿意的话，可以给大夫打个电话。可是我怀疑你是否能让他星期六晚上出来。

2. However，they did not seem to have much effect. (Wilde)

然而，这好像不起什么作用。

3. However，I can discuss this all when I see you. (Yeats)

可是等我们见面时，我可以和你商量所有这一切的。

4. However，this does not always happen. (New Concept English，Book 2，L. 16)

然而，这样的情况是不常有的。

5. However，a few days later，he was told that a mistake had been made. (New ConceptEnglish，Book 2，L. 72)

然而，几天以后，有人告诉他有差错。

6. However，as the evidence began to accumulate，experts from the Zoo felt obliged to in-vestigate，for the descriptions given by people who claimed to have seen the puma wereextraordinarily similar.(New Concepl English，Book 3.L. 1)

然而，当证据越来越多时，伦敦动物园的专家们感到不得不进行调查，因为那些声称看见过美洲狮的人对它的描绘极其相似。