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(共17张PPT)
Discoverying Useful
Structures
unit two
为什么
时态很重要？
一个时态决定你是暖男还是渣男
问：How many girlfriends have you had
答：I have four girlfriends.
（渣男…）
正确回答：I have had four girlfriends.
一个时态，可以杀死一个人
问：Do you like him
答：Yeah. He was the best man I have ever known.
你是有多恨他？
一个时态，可以让我们多口语更简约、地道
你刚到底有没有听我说话啊？
你的答案：Did you listen to me just now
时态地道版：Were you listening to me
“四时” “四态”
过去时
现在时
将来时
过去将来时
一般式
进行式
完成式
完成进行式
一般表事实
进行表过程
完成表结果
一般 完成 进行 完成进行
现在 一般现在时 do 现在完成时 have done 现在进行时 be doing 现在完成进行时
have been doing
过去 一般过去时 did 过去完成时 had done 过去进行时 was/ were doing 过去完成进行时
had been doing
将来 一般将来时 shall/ will do 将来完成时 shall/ will have done 将来进行时 shall/ will be doing 将来完成进行时
shall/ will have been doing
过去将来 一般过去将来时 should/ would do 过去将来完成时 should/ would have done 过去将来进行时 should/ would be doing 过去将来完成进行时
should/ would have been doing
一般将来时
时间轴
将要发生
过去
现在
将来
Will/shall do 表示事物的固有属性或必然趋势；表示将来，有时含有偶然性、临时性决定的意思。shall仅用于第一人称。
Be going to do表示按计划、打算要做的事；还可表示“预见”，既根据某种迹象预示着要发生某事。
You will look like that guy after experiencing military training.
To avoid being like that, I will take half a month off.
I’m going to follow the latest soap opera.
Look at the wild wind, it is going to rain.
3. Be to do 表示按计划、约定或按职责、义务必须做的事或即将发生的动作。（打算／必须／一定会…)
4. Be about to do 表示立即要发生的动作，常译为“即将…,马上就…” 通常不与具体的时间状语连用。
You are to hand in your homework today.
My weight is about to break the record.
一般现在时表将来
The bus leaves at 9:00 a.m.
The plane takes off at 8:30 a.m.
一般现在时表将来表示按照日程表或时刻表的安排要发生的事，如火车、汽车出发，船只离岸，飞机起飞等。
状语从句中的一般现在时表将来
We'll never give up until we find convincing evidence.
We won't go if it rains.
Whether we help him or not, he will fail.
在时间状语从句、让步状语从句、条件状语从句中可使用一般现在时表将来。
现在进行时表将来
表计划或安排
We are starting for Shanghai this afternoon.
Our flight is taking off and let's hurry up; or we will miss it.
The plane is arriving in 10 minutes.
现在进行时表示将来意义，主要用于谈论已经计划好或安排好的动作。
能这样用的动词有：
位移动词：arrive, come, start, set off, take off, drive, fly, go, leave, stay, travel, return 等
其他动词： do , have, meet, play, work, see, buy, spend 等
现在进行时表将来
表计划或安排
Lily is walking to school tomorrow.
The soldier is riding a horse to send the message tomorrow.
The young man is meeting his girlfriend this afternoon.
They are spending their next summer holiday in Guilin

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