同位语从句)部分常用虚拟语气，其谓语动词形式为“should＋动词原形”，其中should可以省略。
He suggested that we (should) start off early the next day. 他建议我们第二天早点出发。
[名师指津] 当suggest表示“暗示，表明”之意，insist表示“坚持说”之意时，suggest/insist后的宾语从句不使用虚拟语气，而使用陈述语气。
The smile on his face suggested that he was satisfied with our work. 他脸上的微笑表明他对我们的工作很满意。
The man insisted that he had never stolen the money. 那个人坚持说他从没有偷过那笔钱。 (4)wish后宾语从句中的虚拟语气
虚拟语气 与现在事实相反 从句谓语动词 过去式(be动词一般用were) 与过去事实相反 had＋过去分词 与将来事实相反 would/could＋动词原形 I wish (that) I were ten years younger. 但愿我能年轻十岁。
I wish (that) I had met that film star yesterday. 我多希望昨天见到了那个影星。
(5)as if/though引导的表语从句和方式状语从句中的虚拟语气
as if/though引导的从句中的谓语动词形式及使用情况与wish后宾语从句中的谓语动词及使用情况相同。
She looks as if nothing had happened to her. 她看起来好像什么事都没有发生似的。
[名师指津] 如果从句中描述的事情可能会发生，那么从句中的谓语动词可用陈述语气。 It sounds as if it is raining. 听起来像是在下雨。
3．2个特定句式中的虚拟语气
If only I had seen the film. 要是我看过那部电影就好了。
It is high time that we should start/started out. 我们该出发了。
[热点即训]
Ⅰ.单句语法填空
1．(2018·江苏卷改编)There is a good social life in the village, and I wish I ________(have) a second chance to become more involved.
[解析] 考查虚拟语气。根据“There is a good social life in the village”可知，时间的着眼点是现在，因此wish后的从句中的虚拟语气是对现在的虚拟，故填had。
[答案] had
2．(2018·北京卷改编)They might have found a better hotel if they ________(drive) a few more kilometers.
[解析] 考查虚拟语气。根据句意：如果他们再开几公里，他们可能会找到更好的旅馆。根据语境可知，此处表示对过去事实的假设，从句中应该用过去完成时。
[答案] had driven
3．(2015·北京卷改编)If I ________(not, see) it with my own eyes, I wouldn't have believed it.
[解析] 根据语境及主句谓语为would have done形式判断，此处表示与过去事实相反的假设，故if引导的条件状语从句中的谓语动词应用had done形式。
[答案] hadn't seen
4．(2015·重庆卷改编)Without his wartime experiences, Hemingway ________________(not, write) his famous novel AFarewelltoArms.
[解析] 此处是含蓄条件虚拟语气句，without为标志词：根据语境可知，此处表示与过去事实相反的假设，主句的谓语应用would/could/might/should have done结构。
[答案] wouldn't/couldn't/mightn't/shouldn't have written
5．(2015·天津卷改编)I wish I ________(be) at my sister's wedding last Tuesday, but I was on a business trip in New York then.
[解析] 根据句中的but可知“参加妹妹的婚礼”只是一种假设，根据空后的时间状语last Tuesday可知，此处表示与过去事实相反的假设，故谓语用“had＋过去分词”结构。
[答案] had been Ⅱ.单句改错
1．(2018·天津卷改编)If we caught the flight yesterday, we would be enjoying our holiday on the beach now.____________
[解析] 考查虚拟语气。根据句意和句中的时间状语可知，这是一个主从条件句的虚拟语气，条件从句中有时间状语，因此表示与过去事实相反的假设，从句中的谓语动词用过去完成时。
[答案] 在caught前加had
2．(2015·四川卷)If you are me, would you talk to them？____________ [解析] 条件状语从句中的虚拟语气，应注意表示与现在、过去、将来事实相反时从句谓语动词的形式。
[答案] are→were
3．(2014·陕西卷改编)We would rather our daughter stay at home with us, but it is her choice, and she is not a child any longer.____________
[解析] 考查would rather的虚拟语气，would rather＋从句表示现在，从句要用一般过去时。
[答案] stay→stayed
4．(2013·陕西卷改编)My mom suggests that we eating out for a change this weekend.____________
[解析] 考查宾语从句中的虚拟语气。表示“坚持、命令、建议、要求”等词后的宾语从句中谓语动词常用“(should＋)动词原形”，被动式则为“(should) be＋过去分词”。
[答案] eating→eat
5．(2012·辽宁卷改编)Jack is a great talker. It's high time that he do something instead of just talking.____________
[解析] It's (high) time (that)后的从句谓语动词用一般过去时或“should＋动词原形”，此时should一般不省略。
[答案] do→did或在do前加should
(二)语法写作——过应用关
一、情态动词在书面表达中的增分点 [增分技法]
1．使用情态动词推测现在、将来、过去的用法 ①我家乡春天的天气相当暖和，但有时也会极其地冷。
The weather in my hometown is fairly warm in spring, but it can be extremely cold sometimes.
②那天上学我迟到了。我可能把闹钟关上后又睡着了。
I was late for school that day. I might have turned off the alarm clock and fallen asleep again.
2．掌握情态动词用于虚拟语气的情况 ①我本想给你写封信，但有事耽误了。
I had wanted to write to you, but something unexpected came up. ②我不该把这件事告诉他。他现在很心烦。
I shouldn't have told him about it. He is upset now. [巧用增分]
①你在山路上开车时一定要小心，因为有时可能很危险。(drive down the mountainous road)
You_must_be_careful_when_you_drive_down_the_mountainous_road,_because_it_can_be_dangerous.
②我明天或许不会去看你，因为我的叔叔明天可能来。(might, call on, drop in) I_might_not_call_on_you_tomorrow,_because_my_uncle_might_drop_in. ③我多么后悔那些本该用在学习上的时间啊。(regret, should have spent) How_I_regret_the_time_I_should_have_spent_on_my_studies.
④我到家后发现我的钱包不见了。或许我把它遗忘在你的出租车上了。(can't find my wallet, leave, taxi)
I_couldn't_find_my_wallet_when_I_got_home._I_might_have_left_it_in_your_taxi.
⑤她不可能已经走了，因为她的手提包还在这里。(leave, handbag, lie)
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