江苏省丹徒区世业实验学校七年级英语上册 Unit 2 Let's play sports（第3课时）助学案2（无答案）（新版）牛津版

Unit2Teaching aims and demands:Simple present tense of the verb to doTeaching importances and difficulties:Simple present tense of the verb to doTeaching steps :Step1Revisionsimple present tense of the verb to doStep2 presentationPresent the positive and negative sentences using the verb “to do”Present negative and yes/no questions sentences with the verb “to do”Step3 Seeking & Mutual helpmake the positive and negative sentences using the verb “to do”make negative and yes/no questions sentences with the verb “to do”Step4 Added helphe, she, it doesI, we, you, they doDo, does + 动词原型Step5 Consolidation exercises 课题Unit2 Grammar 2 班级_ 姓名 _课前自助部分一、讲解：行为动词的变化：A.否定句：主语 dont( doesnt ) 动词原形( 其它)。如：I dont like bread.当主语为第三人称单数时，要用doesnt构成否定句。如：He doesnt often play. B. 一般疑问句：Do( Does ) 主语 动词原形 其它。如：- Do you often play football? Yes, I do. / No, I dont.当主语为第三人称单数时，要用does构成一般疑问句。如： - Does she go to work by bike? - Yes, she does. / No, she doesnt.二、写出do的两种形式：第三人称单数用 其他人称用 用do, does各造一个疑问句： 用do, does各造一个否定句： 课题Unit2 Grammar 2 课堂巩固练习一、 把下列句子改为一般疑问句并做肯定及否定回答：I like English. He plays football after school every day. Millie dances very well. 二、 把下列句子改为否定句：I like English. He plays football after school every day. Millie dances very well. 三、 句型转换 1. She does the housework on Sundays.（否定句）2We have an English lesson every day.（一般疑问句）3My parents are at home.（一般疑问句并作肯定回答）4. The boy often flies kites. （一般疑问句并作否定回答)5. Does Peter usually go to school by bike ?（改为肯定句）6 The boys look happy. （提问）、8