2019学年度人教版选修七Unit One Living Well Period 3 Grammar教案

　　Teaching aims:

　　1. Students will be able to recognize the infinitive and know the exact meaning of them.

　　2. Students will be able to use these structures correctly.

　　Step 1 Revision

　　Ask students to retell Marty's story. Show Marty's mini biography on the power Point.

　　My mini biography 　　Name 　　Marty Fielding 　　Status 　　High school students 　　Health 　　Developed a muscle disease at the age of 10, very weak, cannot do things like normal people. 　　Interests and hobbies 　　Enjoying writing and computer programming.

　　Going to the movies and football matches with friends.

　　Spending a lot of time with my pets: two rabbits, a parrot, a tank full of fish and a tortoise. 　　Ambition 　　To work for a firm that develops computer software. 　　Motto 　　Live one day at a time. 　　

　　Step 2 Discovering useful structures.

　　The Infinitive: (not) + to + do sth. 注意不定式没有人称和数的变化, 但有时态和语态的变化.

　　一. 不定式的构成(以动词do为例)

　　 　　主动形式 　　被动形式 　　一般式 　　to do 　　to be done 　　完成式 　　to have done 　　to have been done 　　进行式 　　to be doing 　　无 　　完成进行式 　　to have been doing 　　无