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1、9B U2 Grammar 教学设计Teaching aims:1. Revise the simple present tense, the present continuous tense, the simple past tense, the past continuous tense and the present perfect tense.2. Sum up the differences between the simple past tense and the present perfect tense.Teaching procedures:Step 1 RevisionTr
2、anslate the following sentences and tell what tense is used in each sentence.1. 他总是设法独自做每一件事。 He always manages to do everything by himself. (时态：一般现在时)2. 宇航员们目前为下一次飞行做准备。 The astronauts are preparing for the next flight at present. (时态：现在进行时)3. 在返回地球的途中，宇宙飞船开始旋转，失去了控制。 On their way back to the Earth
3、, the spacecraft began spinning out of control. (时态：一般过去时)4. 那一刻，全世界都在等待着向他们问候。 At that moment, the whole world was waiting to greet them. (时态：过去进行时)5. 在太空中，阿姆斯特朗接到缩短航程的命令。 In space, Armstrong received the order to cut the flight short. (时态：一般过去时)6. 因为他的出色表现，迄今他已经被授予了五个奖项。 Because of his excellent s
4、ervice, he has been presented five awards so far. (时态：现在完成时)Step 2 Simple present tense and present continuous 1. Simple presentUsed for:1. a present state e.g. John lives in New York.2. daily routine and habits e.g. I always go to bed at 140 p.m. 3. present actions that happen one after another e.g
5、. School is over and the students go home.4. actions set by a timetable or schedule e.g. The talk show starts at 7 p.m.2. Present continuousUsed for:1. actions that happen right now e.g. Look! The reporter is interviewing the astronaut.2. actions that happen at the same time e.g. Mum is doing the ho
6、usework and Dad is working on the computer. 3. actions in a limited period of time e.g. I am working on a history project this week.4. arrangements for the near future e.g. I am leaving for Shanghai tonight.时态 用法特征词一般现在时1. 经常性、习惯性的动作或存在的状态。2. 表示事先安排好的事情。always, often, usually, sometimes, seldom, nev
7、er, every day现在进行时1. 表示现在或现阶段正在发生的动作。2. 表示事先安排好的即将发生的动作。at the moment, today, now, right now, Listen! Look!e.g. I often go to school at 7 a.m. 我经常七点上学。 He is watching TV. 他正在看电视。 I like collecting stamps. 我喜欢集邮。 This month, they are preparing for the exam. 这个月他们正在准备考试。3. Millie is writing about what
8、 her family members are doing. Help her complete her article with the correct tenses of the verbs in brackets. I (1) _ (have) a day out with my classmates this Saturday, so I (2) _ (need) a pair of trainers. Mum (3) _ (shop) online for me now. She often (4) _ (shop) online. Dad (5) _ (search) for in
9、formation on the Internet. He (6) _ (visit) Japan next week. Grandpa (7) _ (read) the newspaper and Grandma (8) _ (watch) TV. I (9) _ (want) to write an email to Wendy before I (10) _ (go) to bed. Keys: will have, need, is shopping, shops, is searching, will visit, is reading, is watching, want, goS
10、tep 3 Simple past tense and past continuous 1. Simple pastUsed for:1. Actions that happened in the past. e.g. Simon played football yesterday.2. Actions that happened one after another in the past. e.g. Simon came home, turned on the computer and checked his email.2. Past continuousUsed for:1. actio
11、ns that were in progress at a certain time in the past e.g. Yesterday at 4 p.m., Simon was playing football.2. actions that happened at the same time in the past e.g. Simon was playing computer games while Millie was watching TV.3. actions that lasted for some time in the past e.g. We were having a
12、meeting from 9 a.m. to 11 a.m. yesterday.时态用法常用特征词一般过去时1. 过去发生或过去经常发生的动作。2. 过去存在的状态。yesterday, two years ago, last week, the other day, in 1999过去进行时1. 表示过去某个时刻正在发生的动作2. 过去同一时间里同时发生的两个动作。3. 过去一个时间段内持续发生的动作。at this time yesterday, from to , last nighte.g. Two months ago, I flew to London with my mothe
13、r.两个月前，我和妈妈一起坐飞机到伦敦。She was reading while her mother was talking on the phone.当她妈妈在打电话时，她在看书。She was shopping at 10 a.m. yesterday.昨天上午十点时她正在购物。3. Simon and his friends are talking about what they did after dinner last night. Complete their conversation with the correct tenses of the verbs in bracke
14、ts. Simon: I (1) _ (watch) a wonderful football match from 7 p.m. to 8:30 p.m. yesterday. My favorite team (2) _ (win) the match. Millie: I (3) _ (write) an email to Wendy at 7 p.m. yesterday. She (4) _ (send) me an email last week.Sandy: I (5) _ (practise) playing the piano the whole night. I (6) _
15、 (take) part in a competition this morning. Peter: Last night, I (7) _ (find) a website about travelling in space. I (8) _ (read) passages on the website while you (9) _ (play) the piano, Sandy.Daniel: I (10) _ (talk) to Aunt Jane on the phone at 7:30 yesterday evening. She (11) _ (call) me the day before yesterday, but I (12) _
