Unit2Grammar学案2022-2023学年牛津译林版英语九年级下册

Unit 2 Great People-- Grammar 1.时态辨析---定义 时态 定义 一般现在时 表示经常性和习惯性的动作或目前存在的状态，也表示客观的自然现象 一般过去时 表示过去发生的动作或存在的状态 一般将来时 表示将来某一时段的动作或状态或将来某一段时间内经常的动作或状态。 现在进行时 表示说话时正在进行的动作， 也表示目前或现阶段一直进行的动作。 过去进行时 表示过去某时刻正在发生的动作或在过去某段时间内持续发生的动作或存在的状态。 现在完成时 表示过去的动作或状态持续到现在，或对现在造成的影响，可能持续发生下去。 2.时态辨析---结构 时态 结构 一般现在时 主语+be动词(am/is/are)+其他 主语+动词原形/动词三单+其他 She is a student. She wants to go to school. 一般过去时 主语+动词的过去式+其他 She went to school by car yesterday. 一般将来时 主语+will+动词原形+其他 主语+be going to+动词原形+其他 She will visit our teacher tomorrow. She is going to visit our teacher tomorrow. 现在进行时 主语+be（am/is/are）+doing+其他 She is watching TV now. 过去进行时 主语+be（was/were）+doing+其他 She was watching at 7:00 yesterday. 现在完成时 主语+has/have done+其他 She have seen the film before. 时态 标志词 一般现在时 often,usually,sometimes,every day,once a week,on Sundays等 一般过去时 yesterday,three days ago,last night/week,just now等 一般将来时 tomorrow；next week;in an hour;in the future等 现在进行时 now,at this time,at the moment,these days等 过去进行时 at that time,at this time yesterday,at 7:00 o’clock等 现在完成时 already,just,yet,ever,never,in the past three years,over the years,since+时间点/一般过去时的句子,for+时间段等 3.时态辨析---标志词 【牛刀小试】 一、用括号中所给动词的正确形式填空 1. The young man ________ (choose) to start his new life in his own village near a small town after he graduated from the university. 2. —Look! The dog ________ (die) . —Oh, yes. We need to help save it. Let’s take it to the animal centre. 3. —Where’s David? Someone is waiting for him in the office. —He, with his two workers, ________ (fly) to Beijing for a meeting. 4. I don’t know exactly how we ________ (organize) the sports meeting, but anyway, we believe in ourselves. 5. Our city is building a new senior high school. I hope it ________ (complete) before September next year. 6. —Keep quiet! The baby is sleeping. —It doesn’t matter. He ________ (wake) up already. 7. —Do you know how much the machine ________ (weigh) ? —100 kilograms. 8. My hometown is greener n