---for their help ,we would not have overcome yhe diffculties.
a were not
b had it not been
c had not it been
d had it been not
为什么不选c
请详解
人气:206 ℃ 时间:2019-12-09 11:29:36
解答
虚拟语气的用法.虚拟语气可以分为三种,分别是
1,对过去的事情相反的虚拟
If 主语 had done sth,主语 should/would/might/could(not) have done sth.
2,对现在事情相反的虚拟
If 主语 did sth,主语 should/would/might/could(not) do sth.
3,对将来事情相反的虚拟(此种用法前面一个分句的用法较多,就不一一写出来了.)
这道题是对小类1虚拟语气的考察,在对过去事情进行虚拟时,可以省略if,与此同时,要把had提前,但是记住,只能提前had,其余的成分都不能提前.而且此种用法只能在第一类虚拟中才能使用,第二第三种是不能省略if的.
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