On no account can we + V ~~~(我们绝对不能……)
例句：On no account can we ignore the value of knowledge.
我们绝对不能忽略知识的价值。
It is time + S +过去式(该是……的时候了)
例句：It is time the authorities concerned took proper steps to solve the traffic problems.
该是有关当局采取适当的措施来解决交通问题的时候了。
So +形容词+ be +主词+ that +句子(如此……以致于……)
例句：So precious is time that we can‘t afford to waste it.
时间是如此珍贵，我们经不起浪费它。
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思路②：先不看选项，直接根据题干写出此处dare作为情态动词用时的正确形式和作为实义动词用时的正确形式，然后再比对各选项。
作情态动词用时，正确用法为：dared say
作实义动词用时，正确用法为：dared to say
比对各选项，得知答案为C。
句意：我想知道他怎么敢和老师说那件事。
典型例句
If you had studied hard before, you would be a college student now.
（从句与过去事实相反，主句与现在事实相反。）
If you had asked him yesterday, you would know what to do now.
（从句与过去事实相反，主句与现在事实相反。）
If I were you, I would have chosen to take the job.
（从句与现在事实相反，主句与过去事实相反。）
二.解题方法
找出主从句中的时间状语，然后根据各自的时间找出所对应的谓语形式。如果没有时间状语，根据语境或上下文推断出动作发生的时间。
Adj + as + Subject(主词)+ be，S + V~~~(虽然……)
例句：Rich as our country is， the qualities of our living are by no means satisfactory. {by no means = in no way = on no account一点也不}
虽然我们的国家富有，我们的生活品质绝对令人不满意。
十一、The + ~er + S + V，~~~ the + ~er + S + V ~~~ The + more + Adj + S + V，~~~ the + more + Adj + S + V ~~~(愈……愈……)
例句：The harder you work，the more progress you make.
你愈努力，你愈进步。
思路①： 先根据情态动词与实义动词的区别辨别出选项中的need是情态动词还是实义动词，然后再观察各选项用法是否正确。
思路②：先不看选项，直接根据题干写出此处need作为情态动词用时的正确形式和作为实义动词用时的正确形式，然后再比对各选项。
作情态动词用时，正确用法为：need be repaired
作实义动词用时，正确用法为：need repairing或need to be repaired
need作实义动词，物作主语时，need doing 相当于need to be done 表示“某事需要被做”
She ____ kill the snake . She is afraid of it.
A. doesn’t dare
B. dares not to
C. dared not
D. dare to
解析：本题考查dare作为情态动词和实义动词的区分。
As a result of the serious flood, two-thirds of the buildings in the area ____________.
A. need repairing
B. needs to repair
C. needs repairing
D. need to repair
