考研英语大纲单词中出现的有介词词性的单词共计72个，介词在英语中属于“小词”，但是介词在英语表达中随处可见、且功能强大，发挥的效力可不小。其功能之一就是，它可以和介词宾语一起构成许多否定意义的成语或词组。今天小编为大家分享这些否定意义的介词，助你解题更顺利!
1. above [ə'bʌv] prep.超过;在……上面;在……之上
【例 句】：The text is above me.(无法理解)
She thinks she is above criticism.(不容批评)
The child is above all nervousness.(一点也不紧张)
His conduct has always been above suspicion.(无可怀疑)
I think a gentleman like him is above doing such a thing.(不屑于)
Don’t depend on me. It’s above my bend.(力不所及)
He is above the weather now.(无病的)
2. against [ə'ɡɛnst] prep.反对，违反;靠;倚;防备
【例 句】：Almost everything was against him.(不利于)
He’s always doing his best, against all odds.(不计成败)
3. at [æt] prep.在(表示存在或出现的地点、场所、位置、空间);以(某种价格、速度等);向;达;因为;朝;忙于
【例 句】：The point is to win at any cost.(不惜一切代价)
At any rate, we’ve done something for you now.(不管怎样)
On the spot he was completely at sea.(不知所措)
4. behind [bɪ'haɪnd] prep.落后于;支持;晚于
【例 句】：The train is running behind time.(不准时)
Your ideas are all behind the times.(跟不上时代)
5. between [bɪ'twin] prep.在…之间
【例 句】：The secret is between ourselves.(不得外传)
6. before [bɪ'fɔr] prep.在……之前，先于
【例 句】：Before long he realized that he was wrong.(不久)
I slipped out before the lecture began.(不等讲座开始)
The guerrillas would fight to death before they surrendered.(决不投降)
7. beneath [bɪˈniːθ] prep. 在……之下
【例 句】：Lying is beneath him.(不合他的身份)
Such a fellow as that is beneath my notice.(不值一理)
beside [bɪ'saɪd] prep.在旁边;与……相比;和……无关
8. beside [bɪ'saɪd] prep.在旁边;与……相比;和……无关
【例 句】：What you said is quite beside the point.(不关正题)
考研英语的复习贵在坚持，可能一段时间效果不明显，但是突破了瓶颈，就会感觉有质的飞跃。因此我们只有坚持不懈，才能成为最后的赢家。