一般现在时的否定句
一般现在时变否定句的规则
(a) 含有am is are 的句子,变否定句时,只需在am is are 后加not.例1 This is a book.否定句This is not a book .例2 I am a teacher .否定句I am not a teacher .例3 These are pens .否定句These are not pens .(b) 含有实义动词的句子，变否定句分两步。
（1）如果主语是第三人称单数时，要在实义动词前加doesn't,后面的动词用原形。
例1 He eats an apple.否定句 He doesn't eat an apple.例2 Jim does his homework.否定句 Jim doesn't do his homework.例3 Marry goes to school.否定句Marry doesn't go to school.(2) 如果主语不是第三人称单数时，只需在实义动词前加don't.例1 I teach English.否定句 I don't teach English.例2 They go to school.否定句 They don't go to school.例3 We sing a song.否定句 We don't sing a song.(c) 含有情态动词的句子,变否定句时, 只需在情态动词后加not.例1 I can dance.否定句 I can not dance.或 I can't dance.例2 They can speak English.否定句They can not speak English.或 They can't speak English.例3 He must go home.否定句 He must not go home.或 He mustn't go home.例4 He must be on the playground.He can not be on the playground.析：当must be用来表示推测，有“一定”的含义时，否定式要用can not.例5 You must say something at the mecting.You needn’t say anything at the mecting.析：当“must+行为动词”用来表示“必须”的含义时，其否定式可用needn’t 或mustn't表示“不需要”，“不必”，语气委婉，must not表示“禁止”，“千万别”语气生硬。
含有be动词的一般现在时否定句和疑问句的变化规律
含有be动词的一般现在时否定句和疑问句的变化规律一般现在时的否定句和疑问句的变化规律如下：否定句：在句子中加入否定副词“not”，并将be动词直接放在主语之后。
例如：She is not happy.（她不快乐。
）疑问句：将be动词提到句子的主语之前，并在句末加上问号。
例如：Are you ready?（你准备好了吗？）30句双语例句：1. She is not here.（她不在这里。
）2. Are you ready?（你准备好了吗？）3. He is not coming to the party.（他不来参加派对。
）4. Is she your sister?（她是你的妹妹吗？）5. They are not happy with the result.（他们对结果不满意。
）6. Are you from Canada?（你来自加拿大吗？）7. It is not a secret.（这不是个秘密。
）8. Are they your friends?（他们是你的朋友吗？）9. We are not going to the beach.（我们不去海滩。
）10. Is it cold outside?（外面冷吗？）11. The food is not delicious.（这食物不好吃。
）12. Are you a student?（你是学生吗？）13. She is not feeling well.（她感觉不舒服。
）14. Is he a teacher?（他是老师吗？）15. They are not listening to the music.（他们不听音乐。
）16. Are they watching a movie?（他们在看电影吗？）17. We are not happy with the service.（我们对服务不满意。
）18. Is it raining outside?（外面在下雨吗？）19. The cat is not sleeping.（猫没有睡着。
一般现在时
三、一般现在时一、一般现在时的句子结构：1、be动词(:am, is, are.) 情态动词can,could（动词用原型）1）肯定句：主语+be+其它I am afraid of dogs.我怕狗。
It’s hot today.今天很热。
He is at work. 他在工作。
The book is interesting. 这是一本有趣的书。
She is a Japanese girl. 她是一个日本女孩。
2）否定句：主语+be+not+其它I am not afraid of dogs. 我不害怕狗。
They are not in the park.他们没在在公园。
She is not a student. 她不是一个学生。
That car is not red. 那辆小汽车不是红色的。
The cat is not Lucy's. 这只猫不是露茜的。
He can not swim. 他不会游泳。
（情态动词）3）一般疑问句：be+主语+其它回答：Yes,主语+（am，is，are）. / No, 主语+（am，is，are）+not.Is your key on the table? 在桌子上钥匘是你的吗？Yes, it is. / No, it isn't 是，是的。
不，它不是。
Are you at home? Yes, I am. / No, I'm not.你在家吗？是的,我在。
不，我不在。
Is she a student?她是一个学生吗？Yes, she is. / No, she isn't是,她是。
不，她不是。
4）特殊疑问句:疑问词(组)+be+主语+其它How much is it? 这个多少钱？Who is your teacher? 谁是你的老师？What time is it, please? 请问几点了？Where are they? 他们在哪儿？Which pen is red? 哪枝钢笔是红色的？What's your favorite subject? 你最喜爱的科目是什么？How is the weather today? = What's the weather like today? 今天天气如何？2、实意动词（单数非第三人称，单数第三人称）1)、单数非第三人称(1)肯定句：主语+动词原形+其它We get up at 7:00 every morning. 我们每天早上7点起床。
各种时态的否定句
各种时态的否定句各种时态的否定句可以用以下方式构成：一般现在时的否定句：主语 + do not/does not + 动词原形例句：I do not like coffee.（我不喜欢咖啡。
）一般过去时的否定句：主语 + did not + 动词原形例句：She did not go to the party last night.（她昨晚没有去参加派对。
）一般将来时的否定句：主语 + will not + 动词原形例句：They will not come to the meeting tomorrow.（他们明天不会来参加会议。
）现在进行时的否定句：主语 + am/are/is + not + 动词-ing 形式例句：We are not watching TV right now.（我们现在不在看电视。
）过去进行时的否定句：主语 + was/were + not + 动词-ing 形式例句：He was not studying when I called him.（当我给他打电话时，他没有在学习。
）现在完成时的否定句：主语 + have/has + not + 过去分词例句：She has not finished her homework yet.（她还没有完成作业。
）过去完成时的否定句：主语 + had + not + 过去分词例句：They had not seen each other for a long time.（他们已经很久没有见面了。
）情态动词的否定句：主语 + 情态动词 + not + 动词原形例句：You should not eat too much junk food.（你不应该吃太多垃圾食品。
）希望以上回答能对您有所帮助。
一般现在时变否定句的规则
一般现在时变否定句的规则.(a) 含有am is are 的句子,变否定句时,只需在am is are 后加not.例1 This is a book.否定句This is not a book .例2 I am a teacher .否定句I am not a teacher .例3 These are pens .否定句These are not pens .(b) 含有实义动词的句子，变否定句分两步。
（1）如果主语是第三人称单数时，要在实义动词前加doesn't,后面的动词用原形。
例1 He eats an apple.否定句He doesn't eat an apple.例2 Jim does his homework.否定句Jim doesn't do his homework.例3 Marry goes to school.否定句Marry doesn't go to school.(2) 如果主语不是第三人称单数时，只需在实义动词前加don't.例1 I teach English.否定句I don't teach English.例2 They go to school.否定句They don't go to school.例3 We sing a song.否定句We don't sing a song.(c) 含有情态动词的句子,变否定句时, 只需在情态动词后加not.例1 I can dance.否定句I can not dance.或I can't dance.例2 They can speak English.否定句 They can not speak English.或They can't speak English.例3 He must go home.否定句He must not go home.或He mustn't go home.例4 He must be on the playground.He can not be on the playground.析：当must be用来表示推测，有“一定”的含义时，否定式要用can not.例5 You must say something at the mecting.You needn’t say anything at the mecting.析：当“must+行为动词”用来表示“必须”的含义时，其否定式可用needn’t 或mustn't表示“不需要”，“不必”，语气委婉，must not表示“禁止”，“千万别”语气生硬。
一般现在时肯定句否定句疑问句结构
一般现在时肯定句否定句疑问句结构一、一般现在时肯定句结构1. 主语 + 动词原形 + 其他（宾语、状语等）例句：他们去学校上课。
2. 主语 + be动词 + 表语例句：我是一名学生。
3. 主语 + have/has + 宾语例句：她有一只猫。
4. 主语 + do/does + 动词原形 + 其他例句：我们做作业。
5. 主语 + can/could + 动词原形 + 其他例句：我会游泳。
6. 主语 + must + 动词原形 + 其他例句：你必须完成作业。
7. 主语 + need + to + 动词原形 + 其他例句：他需要去超市买东西。
8. 主语 + should + 动词原形 + 其他例句：你应该多读书。
9. 主语 + would + 动词原形 + 其他例句：我愿意帮助你。
10. 主语 + will + 动词原形 + 其他例句：他明天会来参加聚会。
二、一般现在时否定句结构1. 主语 + do not/does not + 动词原形 + 其他例句：他们不喜欢吃蔬菜。
2. 主语 + am not/is not/are not + 表语例句：我不是一个演员。
3. 主语 + have/has + not + 宾语例句：她没有一本好书。
4. 主语 + can't/couldn't + 动词原形 + 其他例句：我不能去参加聚会。
5. 主语 + must not + 动词原形 + 其他例句：你不能迟到。
6. 主语 + need + not + to + 动词原形 + 其他例句：他不需要帮助。
7. 主语 + should not + 动词原形 + 其他例句：你不应该浪费时间。
8. 主语 + would not + 动词原形 + 其他例句：我不会告诉他。
9. 主语 + will not + 动词原形 + 其他例句：他不会来参加聚会。
10. 主语 + am/are/is + not + 动词-ing + 其他例句：我不在听音乐。
一般现在时否定句与写作
一般现在时的否定句。
1.一般现在时动作与状态否定句变化是不同的2.一般现在时动作的否定句变化规则：一加二还原。
技巧：在主语和动词之间加doesn’t或don’t（一加），动词变为原形（二还原）肯定句句式：主语+ 动词原形/动词的s形式+...否定句句式：主语+ 主语是三单时用doesn’t其他人称用don't +...动作句式:(1)肯定句：They study English every night.否定句：They don't study English every night.(2)肯定句: She reads books every morning否定句：She doesn’t read books every morning3、一般现在时状态的否定句变化规则。
（1）、肯定句：主语＋is/am/are +…（2）、否定句：主语＋is/am/are not +…技巧：在is/am/are后加not即可，其他不变例1 把下列句子变成否定句。
动作的:（1）He watches TV every night.He doesn't watch TV every night（2）They play basketball every day.They don't play basketball every day.状态的:（3）They are very happy every day.They are not very happy every day.（4）My father is a teacher.My father is not a teacher.（5）I am from China.I am not from China.4.一般现在时在写作中的常见错误错误1：一般现在时的概念不清例：We are playing basketball every day. 我们每天打篮球。
一般现在时的否定式与疑问式
实义动词的否定式: do (does) + not +实义动词
当主语是单数第三人称时，它与助动词 does 有关，但是动词谓语一定要恢复为原 形。当主语是其他人称时，它与助动词 do 有关。 I like English. I do not like English.
She likes it very much. 否定句 She does not like it very much. We go to work by bike. We do not go to work do not=don’t by bike. does not=doesn’t
例: 将下列各句从肯定式改为否定式
1. I talk to Peter because I like him.
I don’t talk to Peter because I don’t like him. 2. Kate comes from America. Kate works with Peter
Kate doesn’t come from Ameter.
一般现在时的疑问句形式: Do + I/ you/ we/ they+动词原形？ Does +he/she/it+动词原形？ 答语： Yes, 主语 + do/ does. No, 主语 + don’t/doesn‘t.
• • • • • • Do you go swimming every week? Yes, I do./ No, I don’t. Does he/ she smoke? Yes, he/she does./No, he/she doesn’t. Do they often listen to music? Yes, they do./ No, they don’t.