在专升本英语学习中，我们经常见到一些固定句型或是固定搭配，有时候也许我们并不理解为什么是这样的搭配，这时就要记住这些句型了。yjbys小编给大家归纳了一些关键句型，希望可以帮助到你们哦!

　　1、英语的一个习惯用法是：当否定谓语think(believe)时，实际上是否定其后面的宾语从句。否定就落在宾语从句上。这样宾语从句就变成了双重否定，译时可以按双重否定译，也可按肯定来译。

　　It is a valuable work. I do not think anyone writes so well that he cannot learn much from it.

　　2、“It occurred to… that…”意为“突然想到”，

　　“It dawned on… that…”。“突然想起”等。

　　从句是想起的内容。

　　I remember once being on a bus and looking at a stranger. He suddenly looked back at meieour eyes met.

　　My instinctive reaction was to avert my gaze. It occurred to me that if I had continued to maintain eye contact, ..........