2018届牛津译林版九年级下英教案：Unit 2 Grammar.docVIP

Unit 2 Great people Grammar 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.[来源:gkstk.Com] 2. Sum up the differences between the simple past tense and the present perfect tense. Teaching procedures: Step 1 Revision Translate 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, the spacecraft began spinning out of control . (时态：一般过去时)[来源:gkstk.Com] 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 service, he has been presented five awards so far. (时态：现在完成时) Step 2 Simple present tense and present continuous [来源:学优高考网gkstk] 1. Simple present Used 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. 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 continuous Used 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 housework 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, never, every day… 现在进行时 1. 表示现在或现阶段正在发生的动作。