否定句分很多種,我就舉些例子吧.
1．cannot／couldn’t或can ／could ＋否定詞（not,never,hardly,scarcely）too以及比較級等等.
I can’t wait to see him．我盼望著能早點見到他.
I could not feel better．我感覺再好不過了.
You cannot overemphasize the importance of it．其重要性無論怎麼強調也不過分.
2．否定詞（no,not,little,nothing,none,nobody）與 but,except等連用.
It leaves nothing to be desired．這已完美無缺.
Nobody but Peter can do it well．只有彼得才能做好這件事.
二、使用一些特殊的句式.
1．否定的一般疑問句.
Don’t you think we should try again?難道你不認為我們應該再試一試嗎?
2．特殊疑問句.
There is a lift,but why not use the lift?既然有電梯,為什麼不用呢?
3．過去時的no sooner．．．than句型.
No sooner had she got to Guangzhou,she called me．她一到廣州就給我打了個電話.
4．too．．．to句型.
I’m only too glad to help you．能為您效勞,我高興極了.
5．虛擬語氣.
If I haven’t lost my watch!我的表要是不丟該多好!
6．含有not＋表瞬間動作的動詞＋ till／until短語或從句.
We can’t go until Thursday．我們要到星期四才能去.
7．雙重否定句.
There is no smoke without fire．無風不起浪.
理解肯定形式的否定意義藉助一些詞彙、短語和句型.
一、詞彙和短語手段.
1．在名詞及短語中,常見的有absence of（缺席,缺乏）,stranger（陌生人）等.
Darkness is the absence of light．黑暗就是缺乏光亮.
2．動詞及短語有escape（from）（逃過）,ignore（忽略）,lost（丟失）等.
I lost my book after getting offthe bus without it．當我沒帶書下了公共汽車之後才發覺把書丟了.
3．形容詞及短語有last（不願意的）,deaf to（不聽）,blind to（看不見）等.
He is the last man I want to see．我最不願意見到他.
4．介詞及短語except,instead of,but,beyond,above,past等.
It’s quite beyond me（above me,past me,beyond my depth）．這個我理解不了.
二、常用否定句型
1．too．．．to．．．,too．．．for．．．
That’s too much for me．這我可受不了啦.
2．stop（prevent,keep,hinder,protect,save,prohibit,dissuade）．．．（from）．．．
Smoking is prohibited in most theaters．在大多數戲劇院裡禁止吸菸.
3．虛擬語氣句.
You should（ought to）have done it better．你本應做得更好.（還不夠好）
I could have come earlier．我本來能早點來的.（實際上沒有早來）
I wish he were here now．我希望他現在能在這兒.（實際上他不在）
If I only knew!要是我知道該多好.（實際上不知道）
They would rather die than surrender．他們寧死不降.
4．用before引導的從句表示"來不及……,不等,未……先……,以防等否定含義.
Put on more clothes before you catch cold．多穿點衣服以防感冒.
5．預先安排的事未辦到或計劃落空.
I had hoped to save some more money to buy a new car．我本希望多攢點錢買輛新車.
6．用比較級句型表否定.
He knows more than he lets on．這件事他了解得很多,但不肯承認.
I know better than to believe him．我才不相信他那一套呢.
否定句分很多種,我就舉些例子吧.
1．cannot／couldn’t或can ／could ＋否定詞（not,never,hardly,scarcely）too以及比較級等等.
I can’t wait to see him．我盼望著能早點見到他.
I could not feel better．我感覺再好不過了.
You cannot overemphasize the importance of it．其重要性無論怎麼強調也不過分.
2．否定詞（no,not,little,nothing,none,nobody）與 but,except等連用.
It leaves nothing to be desired．這已完美無缺.
Nobody but Peter can do it well．只有彼得才能做好這件事.
二、使用一些特殊的句式.
1．否定的一般疑問句.
Don’t you think we should try again?難道你不認為我們應該再試一試嗎?
2．特殊疑問句.
There is a lift,but why not use the lift?既然有電梯,為什麼不用呢?
3．過去時的no sooner．．．than句型.
No sooner had she got to Guangzhou,she called me．她一到廣州就給我打了個電話.
4．too．．．to句型.
I’m only too glad to help you．能為您效勞,我高興極了.
5．虛擬語氣.
If I haven’t lost my watch!我的表要是不丟該多好!
6．含有not＋表瞬間動作的動詞＋ till／until短語或從句.
We can’t go until Thursday．我們要到星期四才能去.
7．雙重否定句.
There is no smoke without fire．無風不起浪.
理解肯定形式的否定意義藉助一些詞彙、短語和句型.
一、詞彙和短語手段.
1．在名詞及短語中,常見的有absence of（缺席,缺乏）,stranger（陌生人）等.
Darkness is the absence of light．黑暗就是缺乏光亮.
2．動詞及短語有escape（from）（逃過）,ignore（忽略）,lost（丟失）等.
I lost my book after getting offthe bus without it．當我沒帶書下了公共汽車之後才發覺把書丟了.
3．形容詞及短語有last（不願意的）,deaf to（不聽）,blind to（看不見）等.
He is the last man I want to see．我最不願意見到他.
4．介詞及短語except,instead of,but,beyond,above,past等.
It’s quite beyond me（above me,past me,beyond my depth）．這個我理解不了.
二、常用否定句型
1．too．．．to．．．,too．．．for．．．
That’s too much for me．這我可受不了啦.
2．stop（prevent,keep,hinder,protect,save,prohibit,dissuade）．．．（from）．．．
Smoking is prohibited in most theaters．在大多數戲劇院裡禁止吸菸.
3．虛擬語氣句.
You should（ought to）have done it better．你本應做得更好.（還不夠好）
I could have come earlier．我本來能早點來的.（實際上沒有早來）
I wish he were here now．我希望他現在能在這兒.（實際上他不在）
If I only knew!要是我知道該多好.（實際上不知道）
They would rather die than surrender．他們寧死不降.
4．用before引導的從句表示"來不及……,不等,未……先……,以防等否定含義.
Put on more clothes before you catch cold．多穿點衣服以防感冒.
5．預先安排的事未辦到或計劃落空.
I had hoped to save some more money to buy a new car．我本希望多攢點錢買輛新車.
6．用比較級句型表否定.
He knows more than he lets on．這件事他了解得很多,但不肯承認.
I know better than to believe him．我才不相信他那一套呢.