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might do 和might have done
虚拟语气if的三种用法
答:
2、表示与过去事实相反的情况:从句:If+主语+
had
+
done
。主句:主语+should/would/
might
/could+
have
done。3、表示与将来事实相反:从句:①if+主语+were to do。②if+主语+should+do。③if+主语+动词一般过去式(be动词用were)。主句:主语+should/would/might/could+do。
can,could,cannot,must,
might
的区别
答:
must
have
done
: 表示对过去动作的肯定推测,常译作“一定做了……”,只能用于肯定句中。其否定形式为can’t/couldn’t have done� 疑问式为Can/Could...have done?。 could /
might
have done:表示对过去发生的动作的可能性推测,常译作“可能做了……”。如: 1) My sister met him at the Grand ...
can
have
gone
和may
have gone的区别
答:
如果使用
might
,语气就比较婉转或更加不肯定,如:Mary might
have
learned some Chinese before. ②可以表示过去本来可以做到而实际没有做到的事情,有“劝告”或“责备”的语气,如:You didn't do the work well that day. You might have
done
it better.(3)must后接完成式的用法:表示对过去...
英文题___ you
have
done
might
do harm to other people. A.What B...
答:
诶,凭语感来说选择A。一定要从语法上解释,我可能不是太专业。。。好久没看英语语法了。如果用that,do前面就不是一个名词,而是一个完整句子。这整句话就成了“you
have
done
that
might
do harm to other people",句子里面有两个动词(两个do),不合语法。如果用What,这个句子的主语就是...
if引导虚拟语气三种用法,did,should
do
,were to do有什么区别
答:
英语虚拟语气 if条件从句,与将来事实相反,从句用did ,were to do,should do.有什么区别?谢谢 与将来事实相反的虚拟语气,从句用 should do或were to do。 不用did。if引导条件状语虚拟语气的三种用法 有三种情况: (1)对过去,从句
had
done
主句would/could/
might
/
have
done (2)对现在,...
if在虚拟语气中三种用法的公式是什么?
答:
2. 虚拟过去时是表示与过去事实相反的假设,if 从句的谓语形式用过去完成时即
had
+过去分词,主句用would / should / could /
might
+
have
+过去分词。If he had known your address yesterday,he would have telephoned you.3. 虚拟将来时是表示对将来实现的可能性很小的或不确定的假设。If从句...
___you
have
done
might
do harm to othe people A.What B.That C.W...
答:
What引导主语从句,What you
have
done
整个句子作主语,并且What在从句中作宾语。
What if 的用法
答:
1. what if后面可以用一般将来时.则if指的是条件状语从句 2.what if后面用一般过去式。则if指的是:虚拟语气。你的例句是正确。3.what if如果是虚拟语气的话,就必须倒退一个时态。如:将来时就必须倒退成一般现在是,一般现在时就必须倒退成一般过去式。这是初三英语学的,你可以查一下课本。或者...
should
have
done
和should do等(存在should
had
done么?)的区别_百度...
答:
第二种结构可以表达两类意义 1) must/can't/may(
might
)+
have
done
这一类情态动词是用来表示推测的 后加完成时用来表示对过去状况的推测 即过去一定/一定不/也许发生了某事 It must have rained yesterday.昨天一定是下雨了 might have been
和may
have been都属于这一类 都表示过去也许...两个...
mustn't
have
done
和can't have done的区别最好有例子
答:
He can't
have
finished the work so soon.三、“
may
/
might
+ have + 过去分词”表示对已发生的动作或存在的状态进行不肯定的推测,might的语气比may弱一点.这种结构主要用于肯定句和否定句,疑问句改用can或could.如:They may not have known it beforehand.You might have read about it in ...
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