1) 一般否定句
I don‘t know this. No news is good news.
There is no person /not a person/not any person in the house.
2)特指否定
He went to his office, not to see him.
I am sorry for not coming on time.
I don‘t think/believe/suppose/feel/imagine you are right.
3)部分否定
I don‘t know all of them.
I can‘t see everybody/everything.
All the answers are not right.(并非所有答案都对。)
All is not gold that glitters. (闪光的不一定都是金子。)
Both of them are not right.(并非两人都对。)
4)全体否定
None of my friends smoke.
I can see nothing/nobody.
Nothing can be so simple as this.
Neither of them is right.
5) 延续否定
You didn‘t see him, neither/nor did I.
You don‘t know, I don‘t know either.
He doesn‘t know English, let alone/to say nothing of/not to speak of French.
6) 半否定句
We seldom/hardly/scarcely/barely hear such fine singing.
I know little English.
I saw few people.
7) 双重否定
You can‘t make something out of nothing.
What‘s done cannot be undone.
There is no sweet without sweat.
No gain without pains.
I can‘t help /keep/ laughing whenever I hear it.
No man is so old but (that) he can learn.
8)排除否定
Everyone is ready except you.
He did nothing but play.
But for your help, I couldn‘t do it.
9)加强否定
I won‘t do it at all.
I can‘t see it any more.
He is no longer a boy
1. The new policy is not intended to benefit all citizens; ______, it may create more inequality.
A. on the contrary
B. by contrast
C. in contrast
D. quite the reverse
答案：A
解析：on the contrary 常用来否定前文并引出相反观点，符合“政策不是为了所有人，反而可能加剧不平等”的语义逻辑；in contrast / by contrast 偏中性比较，不强调对前文的否定。
2. It is not that I dislike the plan, ______ that I have some practical concerns about its implementation.
A. but rather
B. rather than
C. other than
D. instead of
答案：A
解析：not...but rather... 是六级常见结构，表示“不是……而是……”，用于对前文的否定并补充说明真正原因。
3. We are not opposed to reform; ______, we welcome it provided it is well-designed.
A. on the other hand
B. in fact
C. quite the opposite
D. however
答案：C
解析：quite the opposite 表示“恰恰相反”，用于强烈否定前文可能产生的误解，语气比 on the contrary 更强，符合六级书面语风格。
4. The data does not prove that the treatment is ineffective; ______, it suggests a potential benefit.
A. nonetheless
B. on the contrary
C. despite this
D. although
答案：B
解析：前面说“数据不能证明无效”，后面说“反而显示潜在益处”，是明显的否定前文并转折，用 on the contrary 最贴切。
5. His explanation was not very clear; ______, it left us more confused.
A. in other words
B. as a result
C. quite the reverse
D. in contrast
答案：C
解析：quite the reverse = 恰恰相反，用来否定“解释清楚”的预期，并指出结果正好相反（更困惑）。
6. The government’s measures are not aimed at restricting trade, but ______ at promoting fair competition.
A. really
B. actually
C. rather
D. truly
答案：C
解析：not...but rather... 是否定句中常见搭配，表示“不是……而是……”，强调真实目的，符合六级写作/阅读高频结构。
7. The proposal is not without merit; ______, it addresses a critical issue.
A. on the one hand
B. in fact
C. nevertheless
D. despite that
答案：B
解析：not without merit = 并非没有优点（双重否定表肯定）。后文进一步肯定其价值，用 in fact 表示“事实上”，衔接自然。
8. It is not just a matter of cost; ______, environmental impact must also be considered.
A. in addition
B. likewise
C. rather
D. instead
答案：C
解析：not just...rather... 用于否定片面看法，引出更全面的观点，相当于“不只是……而是……”，符合学术写作语气。
9. The study does not deny the importance of sleep; ______, it emphasizes its role in memory consolidation.
A. on the contrary
B. in contrast
C. similarly
D. meanwhile
答案：A
解析：前面否定“否认睡眠的重要性”，后面强调其作用，语义相反，用 on the contrary 最合适。
10. The criticism is not directed at individual employees, but ______ at the system itself.
A. essentially
B. actually
C. rather
D. specifically
答案：C
解析：not...but rather... 再次作为正确结构出现，用于明确否定对象并转向真正目标，是六级阅读和改错中的高频考点。
