10.Mother ___ to Shanghai and she'll be back in a week or so.　　　　　　　　

动词的时态(上)

A:一般现在时棗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

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.　

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.　　　　　　

4.The beautiful jacket___too much , doesn't it?　　　　

3.The Smiths are getting ready ___to Australia for their holdiay.　　　　

2.What ___they ___at 8:00 yesterday evening.　　　

1.____ you ___ each other since you left school ten years ago?