Unit4 Then and now (B Lets try & talk,Review words,1.go cycling 2.play badminton 3.ice-skate 4.dining hall 5.grass. 6.gym 7.didnt/couldnt 8.表示过去的时间短语,Review sentences:There is / are.There was/ were+主语+表示时间的过去短语,1. 十年前这里有一个图书馆。 2. 去年这里有一些体育馆。 3. 上个月这里没有饭厅,Teaching aim,1.学生能理解对话大意，正确朗读课文。 2.掌握核心句型：Before, I/He/She/ was. 。 Now I/She/ He am/is. 3.会在情景中正确使用I/She/He did/didnt.before,Lets try,Lets talk,Can you think of some words about appearance （外貌），character（性格）and colors,appearance: short, tall, fa
