673　think的用法及否定转移问题

◎ think可以用作及物动词和不及物动词。

① 用作及物动词，表示“想，思考”。

I think （that）she should go there. 我想她该去那里。

② 用作及物动词，表示“认为”。结构为：

think sb./sth. to be+宾语补足语 （to be 可省）

be thought to be+主语补足语

think+that从句

think+it+宾语补足语+不定式或that从句

We thought him （to be）an honest man. 我们认为他是一个诚实的人。

（被动结构为：He was thought to be honest. to be 不可省）

I think her （to be）clever. 我认为她聪明。（被动结构为：She is thought to be clever. to be不可省）

I think it is our duty to help her. 我认为我们有责任帮助她。

I think it a good idea to go there. 我认为去那里是个好主意。

I think it best that you should come. 我认为你来最好。

This book is thought to be the best English grammar book. 这本书被认为是最好的英语语法书。

③ 作及物动词，表示“打算（做某事），想要”，结构为：

think to do sth. （用于肯定句、否定句）

think+that从句

think+what从句

We thought to go on a holiday. 我们本打算去度假的。

I didn't think to meet you here. 我没想到在这里见到你。

I can't think what you mean. 我想不出你的意思。

④ 用作不及物动词，表示“想，思考”。

First think，then speak. 先思而后言。

You have to think very quickly. 他应该快速思考。

⑤ 表示“考虑，对……有某种看法”时，think about和think of可换用。

She thinks too much about/of herself. 她过多地考虑自己。

I don't care what other people think about/of me. 别人对我有什么想法我不在乎。

I'm thinking about/of buying a bike. 我正在考虑买一辆自行车。

We have many things to think about/of. 我们有许多事情要考虑。

What do you think about/of the book？你认为这本书怎么样？

⑥ 当think about表示“回想（过去的事情）”，“考虑”某事、某计划等是否可行时，不可用think of替换。

Don't think about the past any more. 不要再想过去的事了。

I've thought about it for some time. 这件事我已经考虑一段时间了。

⑦ 当think of表示“关心，想出，想到；想要，打算；记得，想起，想念”时，不可用think about替换。

He is always thinking of others. 他总是替别人着想。

I can not think of a suitable reply. 我想不出一个合适的回答。

He longed for her return and thought of writing to her. 他盼望她回来，想写信给她。

Could you think of Tom，our old friend？你还记得我们的老朋友汤姆吗？

⑧ think of…as意为“把……看作，把……认为是”。

I think of it as the most important problem. 我认为它是最重要的问题。

It was thought of as possible. 它被认为是可能的。

⑨ think sth. over意为“仔细考虑”。

You'd better think it over. 你最好认真考虑一下这件事。

We have to think the matter over. 我们得仔细考虑这件事。

⑩ think后的宾语从句如果表示否定意义，要进行“否定转移”，即否定主句中的think，肯定从句。要进行否定转移的动词还有expect，hope，believe，imagine，suppose等。

I don't think it is necessary. 我认为这没必要。

I think I don't know you.

I don't think I know you.

我想我不认识你。

I think you are not right.

I don't think you are right.

我认为你不对。

⑪ 在用英文说话或造句时，应注意“时态迁移”，是指说话人在表述的同时某动作已经过去，就要用一般过去时，这种瞬间的时间变化，中文往往表达不出来。

I thought you were out. 我还以为你不在家呢。

I never thought you would send me a gift. 我从没想到你会给我送一个礼物。

I meant to call you，but I forgot all about it. 我本打算给你打电话的，可我全忘了。

I completely forgot. 我完全忘了。

I forgot that he was coming. 我忘了他要来的。