is asked is being asked are asked are being asked 过去
was be asked was being asked were be asked were being asked
将来 shall be asked shall have been asked will be asked will have been asked 过去 should be asked should have been asked 将来 would be asked would have been asked 3.短语动词的被动语态
短语动词转换为被动语态时，通常被看作是一个动词，后面的介词或副词不能拆开或省略。例如：
1)So far no correct conclusion has arrived at. 2)All the rubbish should be got rid of. 4.“get + -ed分词”的被动语态
“get + -ed分词”结构强调动作的结果，而非动作本身，常用来表示突发性的，出乎意料的偶然事件。例如：
The boy got hurt on his way home from work.
另外，“get + -ed分词”还可用于谈论为自己做的事，是主动的行为而不是被动的行为。例如：
get dressed(穿衣服) get divorced(离婚) get engaged(订婚) get confused(迷惑不解) get lost(迷路) get washed(洗脸) get married(结婚)
5.能带两个宾语和复合宾语的动词改为被动语态
(1)能带两个宾语的动词改为被动语态时，一次只能由一个宾语作主语，另一个宾语被保留下来。例如：
1)We showed the visitors our new products.(主动语态) 2)The visitors were shown our new products.(被动语态) 3)Our new products were shown to the visitors.(被动语态)
(2)能带复合宾语的动词改为被动语态时，原来的宾语补足语变为主语补足语。例如： 1)The teacher appointed him League secretary.(主动语态) 2)He was appointed League secretary.(被动语态) 6.被动语态与系表结构的区别
(1)The novel was well written.(系表结构) (2)The novel was written by Diskens.(被动语态) 7.少数动词的主动语态有时有被动的意思 例1：The book is selling remarkably well.
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例2：The song sounds very beautiful.
能这样用的动词还有read(读起来)，clean(擦起来)，wash(洗起来)，write(写起来)。 例3：My watch needs cleaning. (= My watch needs to be cleaned). 能像need这样用的动词还有：want, require, deserve, do, owe, bind等。 例4：The meat is cooking.
例5：The book written by the professor is printing.
一、 一般现在时 例句：
It seldom snows here.
He is always ready to help others. Action speaks louder than words. 二、 一般过去时 例句：
She often came to help us in those days. I didn't know you were so busy. 三、 现在进行时 例句：
How are you feeling today?
He is doing well in his lessons. 四、 过去进行时 例句：
At that time she was working in a PLA unit. When he came in, I was reading a newspaper. 五、 现在完成时 例句：
I've written an article.
The countryside has changed a lot in the past few years. 六、 过去完成时 例句：
As soon as we got to the station, the train had left. By the end of last month. We had reviewed four books. 七、 一般将来时 例句：
They are going to have a competition with us in studies. It is going to rain. 八、 过去将来时 例句：
He said he would go to Beijing the next day. I asked who was going there. 九.将来完成时 例句:
By the time you get back,great changes will have taken place in this area. 初中阶段只需要掌握以上这些。
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一、一般现在时：
概念：经常、反复发生的动作或行为及现在的某种状况。
时间状语：often，usually，always，sometimes，every week（day，year，month．．．），once a week，on Sundays，etc． 基本结构：①be动词；②行为动词
否定形式：① am ／is ／are ＋not；②此时态的谓语动词若为行为动词，则在其前加don't，如主语为第三人称单数，则用doesn't，同时还原行为动词。
一般疑问句：①把be动词放于句首；②用助动词 do提问，如主语为第三人称单数，则用does，同时，还原行为动词。 二、一般过去时：
概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。 时间状语：ago，yesterday，the day before yesterday，last week（year，night，month．．．），in 1989，just now，at the age of 5，one day，long long ago，once upon a time，etc． 基本结构：①be动词；②行为动词
否定形式：① was／were ＋not；②在行为动词前加didn't，同时还原行为动词。
一般疑问句：①was或were放在句首；②用助动词do的过去式did提问，同时还原行为动词。
三、现在进行时：
概念：表示现阶段或说话时正在进行的动作及行为。 时间状语：now，at this time，these days，etc． 基本结构：am／is／are ＋doing
否定形式：am／is／are ＋not＋doing 一般疑问句：把be动词放在句首
四、过去进行时：
概念：表示过去某段时间或某一时刻正在发生或进行的行为或动作。
时间状语：at this time yesterday，at that time或以when引导的谓语动词是一般过去时的时间状语等。
基本结构：was／were ＋doing 否定形式：was／were ＋not＋doing 一般疑问句：把was或were放在句首
五、现在完成时：
概念：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。
时间状语：recently，lately，since．．．，for．．．，in the past few years，etc． 基本结构：have／has ＋done 否定形式：have／has ＋not＋done 一般疑问句：have／has放于句首
六、过去完成时：
概念：以过去某一时间为标准，在此以前发生的动作或行为，或在过去某动作之前完成的行为，即“过去的过去”。
时间状语：before，by the end of last year（term，month．．．），etc． 基本结构：had ＋done
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否定形式：had ＋not＋done
一般疑问句：had放于句首 七、一般将来时：
概念：表示将要发生的动作或存在的状态及打算、计划或准备做某事。 时间状语：tomorrow，next day（week，month，year．．．．），soon，in a few minutes，by．．．，the day after tomorrow，etc．
基本结构：①am／is／are／going to ＋do；②will／shall＋do
否定形式：①am／is／are ＋not＋going to ＋do；② will／shall＋not＋do 一般疑问句：①be放于句首；② will／shall提到句首 八、过去将来时：
概念：立足于过去某一时刻，从过去看将来，常用于宾语从句中。
时间状语：the next day（morning，year．．．），the following month（week．．．），etc．基本结构：①was／were／going to ＋do；② would／should ＋do
否定形式：①was／were／not＋going to ＋do；②would／should ＋not＋do 一般疑问句：①was或were放于句首；②would／should提到句首 英语中的时态 谓语动词变化
一般现在时 单三 s/es 其他无变化 一般过去时 动词词尾 ed
一般将来时 shall/ will/ be going to 动词 一般过去将来时 sb said would 动词 现在进行时 are/ am / is v-ing 过去进行时 was/ were v-ing 现在完成时 have/ has 过去分词 过去完成时 had 过去分词
被动语态。
TENSE 主动语态 被动语态
一般现在时 be\\V\\Vs am\\is\\are+Vpp 一般将来时 will+V will be +Vpp
现在进行时 am\\is\\are+Ving am\\is\\are+being+Vpp 一般过去时 ①was\\were②Ved was\\were+Vpp 一般完成时 have\\has+Vpp have\\has+been+Vpp 过去完成时 had+Vpp had+been+Vpp
过去进行时 was\\were+Ving was\\were+being+Vpp 情态动词 can+V can+be+V
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