动词不定式教案 授课人:许丽东一. Teaching aims:1. To infinitive 2. Bare infinitive 3. Practice 二. The important and difficult points of teaching:The usages of To infinitive. 三. Teaching proceduresStep1 Greetings Step2 Revision Step3 New teaching1. 非谓语动词v 定义: 是在句子中不能单独做谓语的动词, 这样的动词没有人称和数的变化。v 包括: to do ; v-ing, v-ed v 具有名词,形容词,副词的特征2. 动词不定式的时态和语态时态/语态主动被动一般式to doto be done进行式to be doing /完成式to have doneto have been doneStep4 Do some exercises:Step5 Homework part:v 1. words of page 9v 2.hand-in assignment :v C1 on page 92.