肯定句、否定句和一般疑问句肯定句、否定句和一般疑问句下页Have a look • I am a teacher. I like apples.• I am not a teacher. I don’t like apples.• Is this your handbag? Yes ,it is. No ,it is not. Do you like apples? Yes ,I do. No ,I do not.Conclusion •陈述句：用于说明一个事实或表达说话人的看法或观点的句子。 •陈述句分为肯定句和否定句。•肯定句表示肯定的意义； I am a teacher. I like apples.上页下页首页否定句表示否定意义，句中有否定词 not, never 等，表示“不”的意思。 I am not a teacher. I don’t like apples.• 结构为：• 肯定句：主语 + be 动词 /助动词 do,will和 have / 情态动词 +其他 • 否定句：主语 + be 动词 /助动词 do,will和 have / 情态动词 +not+ 其他 肯定句和否定句之间的转换上页下页首页•1. 如果肯定句中有 be 动词（ am, is, are, was, were ）、助动词 will 和 have, 或情态动词（ can, could, must 等），只需在 be 动词、助动词 will ， do和 have 或情态动词之后加 not 即可得到相应的否定句。For example肯定句和否定句之间的转换• My father is a taxi driver.• There are some apples on the table.• She was a student two years ago. 首页上页下页1.He can play football very well.2. Mary will come to China next week.3. I have finished my homework.上页下页首页•2. 如果句子中没有 be 动词、助动词will 和 have 或情态动词，则需要借助助动词 do, does 或 did ，并将 not 放在它们后面，并将句中实义动词变为原形。• ◆ 注意： do, does, did 后面必须使用动词原形。For exampleMore Examples• I like listening to pop music.• He goes to work every morning.• Linda drove to school last night.首页上页下页一般疑问句的基本结构： be 动词 / 助动词 / 情态动词 + 主语 + 谓语 / 表语 + 其他？Yes , 主语 + be 动词 / 助动词 / 情态动词No , 主语 + be 动词 / 助动词 / 情态动词 +not肯定句和一般疑问句之间的转换上页下页首页•1. 如果肯定句中有 be 动词（ am, is, are, was, were ）、助动词 will...
