Unit 3 Section 3 Grammar—动词的时态-【赢在微点】轻松课堂2023-2024学年新教材高中英语必修第一册（外研版2019）

Section 3　Grammar—动词的时态 语法图解 观察句子 1.Light travels faster than sound. 2.I go home every day by bike. 3.I told you to calm down, both of you! 4.In fact, we stayed at the same campsite when I was five years old, too. 5.The music industry is developing fast now. 6.And I􀆳m sure playing in a band will help you make lots of new friends at university. 7.I am going to visit the museum soon. 8.She still has smooth skin and straight black hair, and jogging has kept her slim and fit. 我的领悟 1.句1,2使用了一般现在时,其谓语动词形式是动词第三人称单数形式和动词原形。 2.句3,4使用了一般过去时,其谓语动词的构成形式是动词的过去式。 3.句5使用了现在进行时,其谓语动词的构成是be doing。  4.句6谓语由will do构成,表单纯的将来的安排;句7中am going to表“打算做某事”。  5.句8使用了现在完成时。 一、一般现在时(主语+am/is/are+表语...或主语+动词原形/动词第三人称单数形式) 一般现在时的5种用法 ■ 表主语现在的状态、情况。 ■ 表现在经常性的、习惯性的、反复发生的动作。 ■ 表客观真理、客观存在、科学事实或谚语等。 ■ 表按时间表、规定、计划或安排将要发生的动作。 ■ 在时间和条件状语从句中,从句用一般现在时,主句用一般将来时。 ①My parents live in Hong Kong.我父母住在香港。 ②In the evenings, I often watch TV series. 晚上我通常看电视剧。 ③Actions speak louder than words.行动胜于语言。 ④The train arrives at 8:30 and leaves at 8:45. 本次列车8:30到达,8:45开出。 ⑤If we don􀆳t act now to protect the environment, we􀆳ll live to regret it. 如果我们现在不行动起来去保护环境,我们会后悔的。 【微练1】　用动词的正确形式填空 ①As you know, it snows (snow) in winter. ②Please tell me as soon as Mark calls (call) you. ③My mother told me the earth moves (move) around the sun. ④The flight takes (take) off at 2:30 pm every Friday. 二、一般过去时(主语+was/were+表语...或主语+实义动词的过去式) 一般过去时的4种用法 ■ 确定的过去时间里发生的动作或存在的状态。 ■ 过去经常或反复发生的动作。 ■ 过去时间内一次完成的具有先后顺序的动作。 ■ 时间或条件状语从句中,若主句用过去将来时,从句常用一般过去时代替过去将来时。 ①Two years ago she bought an expensive mountain bike. 两年前她买了一辆昂贵的山地自行车。 ②In the early evening we always stopped to make camp. 我们总是在傍晚时分停下来搭帐篷。 ③I felt very tired when I got home, and I went straight to bed. 当到家时我感到很累,直接上床睡觉了。 【微练2】　用动词的正确形式填空 ①The exhibition opened on January 1st and closed (close) on January 31st. ②She didn􀆳t go out last night, because she had (have) a headache. ③Tom was late, so he opened (open) the door quietly. ④He got up, washed (wash) his face, had his break