英语时态PPT课件
英语时态是英语学习的基础之一，对英语学习者来说非常重要。本PPT课件共25页，涵盖了英语时态的八种基本时态，包括一般现在时、一般过去时、一般将来时、现在进行时、现在完成时、过去进行时、现在完成进行时、过去完成时。
一般现在时
定义：表示经常性、反复性、习惯性动作或现在存在的状态。
用法：习惯活动、现在情况、客观事实、主将从现
例如：
* I get up at six every morning.
* They are very busy.
* He needs help.
* The moon moves round the earth.
* We’ll go there if it doesn’t rain.
* He’ll call you when he arrives.
一般过去时
定义：表示过去完成的动作或状态。
用法：过去活动、过去状态、过去连续活动
例如：
* I saw him yesterday.
* I was in Grade One last year.
* She picked it up and went out.
一般将来时
定义：表示将来将要发生的动作或状态。
用法：将来状态、将来活动、主将从现、现进表
例如：
* There will be rain tomorrow.
* What are you going to do next weekend?
* I will call you as soon as I get there tomorrow morning.
* The bus is coming.
现在进行时
定义：表示现在正在进行的动作。
用法：正在进行、一直进行、与always连用
例如：
* Look, they are playing football.
* He is writing a novel this year.
* My teacher is always smiling in class.
过去进行时
定义：表示过去某个时间正在进行的动作。
用法：过时正进、过段直进、when, while
例如：
* I was doing my homework at eight last night.
* They were watching TV from nine to ten yesterday.
* They were reading aloud when the teacher came in.
现在完成时
定义：表示从过去到现在的动作或状态。
用法：过影响现、过延到现、两“去”
例如：
* I can’t find my pen. I have lost it.
* Have you finished it yet?
* He has worked here for a year.
* I have been in this school since 1999.
* He has been to China twice.
* He isn’t here. He has gone to the library.
此外，本PPT课件还提供了一些中考题目，帮助学生巩固英语时态的知识。
本PPT课件对英语时态的八种基本时态进行了详细的讲解，配以实例和习题，能够帮助学生更好地理解和掌握英语时态的知识。
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