Revision • What tenses have we learnt? 时态reviewThe simple present tense. 一般现在时The simple past tense. 一般过去时The simple future tense. 一般将来时The present progressive tense 现在进行时 过去式 现在分词（ -ing)• buy bought buying • make made making • see saw seeing• study studied studying • shop shopped shopping • take took taking Period 1 Unit 3 What were you doing when the UFO arrived? What’s he/she doing?What are they doing ?Let’s guess What’s he doing?He’s smoking . What’s he doing?He’s skateboarding. What was she doing?at nine last nightShe was talking on the phone at nine last night. 现在进行时含义：结构： 例句：表示现在正在进行的动作。be (is/am/are) + doingI am having an English class. We are listening to Miss He. 过去进行时含义：结构：例句： 表示过去某个时刻或某段时间正在进行的动作。be (was/were) + doingWhat were you doing at nine last night? I was taking a shower at nine last night. What was she doing?She was riding a bike.At 11:00 am What were they doing?They were sleeping. What were they doing?They were surfing the internet. What was she doing?She was playing the violin. They were dancing at that time.What were they doingat that time ? What was he doingShe was running.Was he dancing?No, he wasn’t.at 10:30?He wasn’t dancing at 10:30. • kitchen 厨房 • barber shop 理发店• alien 外星人 • in front of 在…的前面• bathroom 浴室 • bedroom 卧室 • Have you ever seen it ? UFO: Unidentified Flying Object 不明飞行物 首页简介 : "UFO" 是英文 "Unidentified Flying Object" 的缩写 , 意思是未查明身份的飞行物 体 .1974 年 ,美国人阿诺德发现一组编队飞行的不明物体 , 并把它形象的比喻为 " 水上打漂的碟子 ", 从此 , 飞碟一词不胫而走 , 成了 "UFO" 的通俗叫法 . Who drives the UFO?aliens • 1.___ I was in...
