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havebecome和havebeen的区别
为什么是
have become
而不是
have became
答:
1.must+have+过去分词,表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句.Her father thought that she must have met a fairy.You must have left your bag in the theatre.2.can(could)+have+过去分词,表示对过去发生事情的“不肯定”,常用于否定句和疑问句.He can't
have been
...
have和become的区别
在哪?
答:
1.must+have+过去分词,表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句.Her father thought that she must have met a fairy.You must have left your bag in the theatre.2.can(could)+have+过去分词,表示对过去发生事情的“不肯定”,常用于否定句和疑问句.He can't
have been
...
have和become的区别
是什么啊?
答:
1.must+have+过去分词,表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句.Her father thought that she must have met a fairy.You must have left your bag in the theatre.2.can(could)+have+过去分词,表示对过去发生事情的“不肯定”,常用于否定句和疑问句.He can't
have been
...
为什么是
have become
而不是
have became
答:
1.must+have+过去分词,表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句.Her father thought that she must have met a fairy.You must have left your bag in the theatre.2.can(could)+have+过去分词,表示对过去发生事情的“不肯定”,常用于否定句和疑问句.He can't
have been
...
have和become的
用法?
答:
1.must+have+过去分词,表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句.Her father thought that she must have met a fairy.You must have left your bag in the theatre.2.can(could)+have+过去分词,表示对过去发生事情的“不肯定”,常用于否定句和疑问句.He can't
have been
...
现在完成时的结构
答:
→
have been
in sw./at…相应的介词 2. have come/gone back/returned → have been back 3. have come/gone out →have been out 4.
have become
→ have been 5. have closed / opened→ have been close/open 6. have got up → have been up; 7. have died → have been dead; 8. ha...
have been
+现在完成进行时
答:
现在完成进行式:比如说,
have been
working 表示,过去已经在工作,并且现在还在工作.与现在完成时
的区别
是一、现在完成时动词发生在过去,影响到现在,延续到现在,某种经历. 句型基本结构:主语+have/
has
+过去分词(done) ①肯定句:主语+have/has+过去分词+其他②否定句:主语+have/has+not+过去分词+其他③一般疑问句...
英语语法
have become
done
答:
是系动词,跟
be的
作用是一样的,
have become
puzzled 相当于
have been
puzzled。类似的动词还有seem。
have become和
become
的区别
在哪里?
答:
1.must+have+过去分词,表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句.Her father thought that she must have met a fairy.You must have left your bag in the theatre.2.can(could)+have+过去分词,表示对过去发生事情的“不肯定”,常用于否定句和疑问句.He can't
have been
...
have become和
become
有什么区别
?
答:
1.must+have+过去分词,表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句.Her father thought that she must have met a fairy.You must have left your bag in the theatre.2.can(could)+have+过去分词,表示对过去发生事情的“不肯定”,常用于否定句和疑问句.He can't
have been
...
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