内容正文:
Section Ⅱ Using language
过去完成时的被动语态
观察下面教材中的句子并体会它们的语法特征
1.At the start of the detox,over 100 students had been persuaded to stop using social media,in ANY form,for seven days.
2.They had been promised money by family and friends for each day spent without using social media.
3.But on reflection,I can see how much of my time had been occupied with checking my phone.
【语法感悟】
1.以上各句都使用了过去完成时的被动语态,其构成形式为:had_been+过去分词。
2.过去完成时的被动语态表示动作在过去某一时间或某一动作之前已经发生或完成,且主语与谓语动词之间存在被动关系。
知识点1 过去完成时的被动语态的构成和用法
1.构成
(1)肯定式:had+been+过去分词
◆The room had been cleaned when we came.
我们来的时候房间已经被打扫干净了。
(2)否定式:hadn't+been+过去分词
◆The task hadn't been finished before 12: 00 yesterday.
昨天12点之前这项任务还没完成。
2.用法
过去完成时的被动语态表示动作在过去某一时间或某一动作之前已经发生或完成,且主语与谓语动词之间存在动宾关系。
◆Though he had been told my telephone number many times,he still couldn't remember it.
虽然已经告诉他我的电话号码很多次了,但他还是记不住。
◆The newspaper reported more than 1,000 people had been killed in the hurricane.
报纸报道说有一千多人在飓风中丧生。
[即时演练1] 单句语法填空
(1)His village had_been_flooded (flood) in the heavy rain,so he moved to his parents' house.
(2)I was sent to the village last month to see how the development plan had_been_carried(carry) out in the past two years.
(3)He asked if Mary had_been_sent (send) to hospital before her parents came back.
知识点2 特殊句式
1.用于“It was the first/second ...time that+主语+had been done+其他”句型中。
◆It was the first time that the meeting had been held in Shanghai.
那是该会议第一次在上海召开。
2.在虚拟条件句中,条件从句表示对过去情况的假设时:if+主语+had been done+其他
◆If I had been invited earlier,I would have gone there.
如果早点儿邀请我的话,我就去那儿了。
[即时演练2] 单句语法填空
(1)If the new safety system had_been_put (put) to use,the accident would never have happened.
(2) It was the third time that he had_been_invited (invite) to pay a visit to the school.
1.appropriate adj.恰当的;合适的 (appropriately adv.恰当地,合适地 inappropriate adj.不适当的,不合适的)
be appropriate for/to 适合……
It is appropriate (for sb.) to do sth. (对某人来说)做某事是合适的
It is appropriate that ...should do ... 做……是合适的
[即学即练] 单句语法填空/一句多译
(1)(2022·全国甲卷)Mex