用法 :1.主要用于过去某个时间发生的动作或状态. eg.My father was at work yesterday.
4.在时间和条件状语从句中代表一般将来时 . eg.I'll go with you if you are free tomorrow.
B:一般过去时?表示过去发生的动作或存在的状态,一般过去时通常由动词的过去式表示。
肯定式:主语+动词的过去式 + 其他 eg. I got up at six this morning.
否定式:主语 + did not + 动词原形 + 其他 eg.John didn't live here last year. 疑问式:Did + 主语 + 动词原形 + 其他 eg.Did you see him a moment ago?
简略回答.(肯)Yes, 主语 +did (否)No , 主语 + didn't.
3.表示在现在时间里所发生的一个动作 . eg. Here comes the train.
用法: 1.表示事实,现状,性质或经常的,习惯的动作,常与often, usually, always, sometimes, today,every day,once a week, every five minutes, on Sundays等时间状语连用, eg. He has a brother. 2.表示普遍真理. eg. The earth goes round the sun.
10.Mother ___ to
动词的时态(上)
A:一般现在时?通常表示目前阶段经常发生的动作或存在的状态。
结构 :1)be动词的第一人称单数为,第三人称单数为,其他人称为。
有一顺口溜体现了它的用法: 我是am你是are ,is跟着他她它, 复数都用are
肯定式:主语+ am /is/are +其他 否定式:主语+ am/is/are +not + 其他
疑问式:Am /Is /Are + 主语+ 其他?简略回答: (肯) Yes,主语 + am/ is /are
(否) No,主语 + am /is/are not缩写形式: I'm == I am That's ==That is
We're ==We are What's== What is You're == You are Who's == Who is
They're ==They are Where's ==Where is He's ==He is isn't==is not
She's ==She is aren't==are not It's == It is
2)行为动词除主语是第三人称单数外,都用动词原形,主语是第三人称单数时,在动词 词尾加-s或-es 肯定式:主语+动词原形/动词的第三人称单数 , 否定式:主语+助动词 don't/doesn't +动词原形+其他 疑问式:Do/Does+主语+动词原形+其他 简略回答:(肯)Yes,主语+do/does (否)No,主语+do/does not 缩写形式: don't == do not doesn't ==does not
注意:have的第三人称单数为has
9.It's summer now.The days___longer and the nights shorter.
8.Today films___in English everywhere in the world.
7.The boy ___to hospital as soon as the traffic accident happened.
6.The radio says the rain ___later on.
5.Lucy and Lily were playing cards when they ___ a loud knock at the door.
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