Unit3 Family matters Using Language Grammar 课件-2023-2024学年高中英语外研版（2019）必修第一册

B1U3 Grammar Review: tenses （时态） Match the sentences to what tense they describe (P38, A1). a Grandfather and Father, seated at the table, are playing chess. b Lawyers help people and are respected by others. c … you said that you wanted to be a professional football player. d … you have found the career that suits your talents. e … you will have two options for your future. 1 Something that started in the past and is affecting the present. 2 Something that is currently taking place. 3 Something that is certain to take place in the future. 4 Something that was completed in the past. 5 Something that happens regularly in the present. 2 1 Something that started in the past and is affecting the present. 2 Something that is currently taking place. 3 Something that is certain to take place in the future. 4 Something that was completed in the past. 5 Something that happens regularly in the present. Match the definitions (定义) to the correct timeline(P38, A1). 现在完成时 现在进行时 一般将来时 一般过去时 一般现在时 3 Tenses 态 时 Past Present Future Simple (一般) 一般过去时 一般现在时 一般将来时 Continuous (进行) 过去进行时 现在进行时 将来进行时 Perfect (完成) 过去完成时 现在完成时 将来完成时 动词的时态可以说明：（1）动作发生的时间；（2）动作发生的状态（如持续时间、先后顺序、作用影响）。 时态=“时”+“态” 注：英语中还有过去将来时和完成进行态。4种“时”和4种“态”一共排列组合出16种时态。高中英语主要学习其中常见的11种。 time时/aspect态/体 时：(the past, the present, the future, the past future) 态：一般，进行，完成，完成进行 4 形式：主语 + do/does；主语 + am/is/are 一般现在时（Present Simple ） 功能 例子 They walk to school everyday. The lion is a large animal of the cat family. Light travels faster than sound. 1. 现在经常发生或习惯性动作 2.现在存在的特征或状态 3.客观事实或普遍真理 与频度副词连用：often, always, usually, every day, once a week, seldom, hardly, occasionally, from time to time, sometimes, at times ,never, … 5 形式：主语 + did；主语 + was/were 功能 例子 I got up at 6:30 yesterday. My father was very busy last week. We often fought when we were kids. 一般过去时（Past Simple） 1.过去发生的动作或产生的状态 2. 过去经常发生的或习惯性动作。 常用时间状语：yesterday, last week, the day before yesterday, just now, at that time, the