I don't think ……
结构︰主词＋否定式动词＋副词／that-子句
说明︰如果否定的是后面的<副词>或<子句>，通常是将否定词提前移到述语中去，其意义仍然是表示否定后面的部分。像 I think，I believe，I suppose，I feel，I see 等词语引出否定的<子句>时，大多是将 not 放在述语<动词>部分。在口语中，尤其是这样。
I don't think it's right to make such a hasty decision.我认为如此仓促地做出决定是不正确的。
I don't think this is worth trying. 我看这是不值得一试的。
Many people don't think it is dangerous to go mountain climbing.很多人认为爬山并不危险。
I still don't see the point you emphasized. 我仍然弄不清楚你所强调的要点。
I don't see any point of playing video games all day.我看不出整天打电动玩具有什么意义。
I don't believe that he will come tonight. 我认为他今晚不会来。
I'm not feeling very well today， I can't attend the meeting.
我今天感到不怎么舒服，我不能参加会议了。
He did not come here in order to attend the meeting. 他来这里决不是要参加会议的。
All is not ……
结构︰all／both／every…＋not…
说明︰此句型意为“并非一切…都是”。含有全体意义的<代名词>和<副词>如 all，every（及其派生词）， both，always，altogether，entirely，wholly 等，用于否定结构时不是表示全部被否定，而只表示其中的一部分被否定。也可将 not 置于 all，every 等词的前面。
All is not gold that glitters. （=All that glitters is not gold.） 闪闪发光者并非都是金子。
Not all the students study hard. 并非所有的学生都用功念书。
I don't know all of them. 我并不都认识他们。
The rich are not always happy. 富人未必一定幸福。
A kind man is not always patient. 心肠好的人未必总是有耐心。
His deeds do not always agree with his words. 他的言行并非总是一致。
Nobody can always have good luck. 没有人始终能够有好运。
A wise man doesn't know everything. 智者并非每一件事都懂。
Every one cannot become businessman. 不是所有的人都能成为商人。
Such a product is not found everywhere. 这样的产品不是随处可以找到的。
Not both of his sisters agree to his suggestion. 他两个姊姊并未都同意他的提议。
Both items are not fashionable. 两个品种并不都很时髦。
I don't like both of them. 他们两人我并不都喜欢。
Not both the artists have a keen eye for beauty. 这两位艺术家并非都有审美的眼光。
Not both Peter and John enjoy music. 并非彼得与约翰都喜欢音乐。
He doesn't wholly agree to the plan. 他并不完全同意这项计划。
…… not necessarily ……
结构︰…… not necessarily ……
说明︰此句型意为“未必是…”。not necessary 是“不必要的”。
The name of a restaurant won't necessarily tell you much about the food it serves.
餐厅的名字未必能告诉你很多它所供应的食物。
A good book does not necessarily sell well. 好书未必畅销。
This is not necessarily the best. 这未必是最好的。
Learned men are not necessarily wise. 博学者未必都是聪明的。
