育才学习网1. 英语is否定形式怎么写
isn't 即is not
例句
But it is not a serious movie.
不过这并不是一部严肃电影。
All is not at hand that helps.
有用的东西并不是垂手可得。
This bike is not mine but his.
这辆自行车不是我的，是他的。
That is not flu. That is cold.
流感和普通感冒是不一样的。
2. lmgoigtolookforsomebeautifulleaves否定回答和肯定句
应该分开写
肯定句：l'm going to look for some beautiful leaves.
一般疑问句：Are you going to look for some beautiful leaves?
否定回答
〔完全回答〕No, l'm not going to (look for some beautiful leaves).
〔简略回答〕 No, l am not.
肯定回答
〔完全回答〕Yes, l'm going to (look for some beautiful leaves).
〔简略回答〕 Yes, l am.
3. is否定形式
“is”的否定形式是“isn't”。
读音：is 英 [ɪz]美 [ɪz]
释义：vt.& vi.，是（be的三单形式）；n.，存在。
双语例句
1. beauty is an attitude. it has nothing to do with age.
美是一种态度，与年龄无关。
2. the best thing to do when entering unknown territory is smile.
踏入未知地带最好的对策就是微笑。
3. a miracle is something that seems impossible but happens anyway.
奇迹就是看似不可能，却发生了。
4. failure is never quite so frightening as regret.
比失败更令人恐惧的是懊悔。
5. if you wait, all that happens is that you get older.
如果你等待，发生的只有变老。
4. it is 缩写
简单回答中，it is不能连写。否则句子重音就会无着落。如果it is后面跟着表语，形成完整回答，则统统可以缩略成it's。
第二个问题是两种缩写都可以，只是it's not更强调否定意思。
回答补充：it isn't和it's not都是有的，而且有时可以互换。上边说了，差别在于语气。一般来说，it isn't。后面可能会跟上it is。。但it's not就不一定会带出这个尾巴。
