but 和 however,specially 和 especially 的用法区别 请举例详细说明

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but 和 however,specially 和 especially 的用法区别 请举例详细说明
but 和 however,specially 和 especially 的用法区别 请举例详细说明

but 和 however,specially 和 especially 的用法区别 请举例详细说明
1.however作副词用时,表示“然而;但是”,可以位于句首、句中和句末;位于句首时,要用逗号与句子其它部分隔开;位于句中时,其前后都要用逗号;位于句末时其前用逗号分开.例如:
She felt ill.She went to work,however,and tried to concentrate.
她病了.然而她照旧去上班,并且尽力集中精神工作.
His first response was to say no.Later,however,he changed his mind.
他最初的反应是不同意,可是后来他改变了主意.
2.however与but 两者都做“但是,然而”讲,而且都引出并列句.从语义上看,but所表示的是非常明显的对比,转折的意味较however要强.从语序上看,but总是位于所引出的分句之首,而however却可位于句首、句中和句末,同时从标点符号上看,but之后一般不得使用逗号,而however则必须用逗号与句子其它部分分开.例如:
I thought those figures were correct.However,I have recently heard they were not.
我原以为那些数字正确无误,不过我最近听说并不正确.
3.however的其它用法:however可以作连词(conj.),表示“无论以何种方式,不管怎样”,引导让步状语从句.例如:
You can travel however you like.你可以随心所欲地去旅行.
However I approached the problem,I couldn’t find a solution.
这一问题我不管怎样都无法解决.
especially是副词,意为“尤其”、“特别”,通常用来对前面所述的事件进行进一步的说明或补充.
例:It's especially hot today.今天天气特别热
[表示与前几天天气很不一样,不用SPECIALLY]
He likes all subjects,especially English.
他喜欢所有的学科,尤其是英语
[表示喜欢英语的程度很多,不用SPECIALLY]
specially 也是副词,意为“专门地”“特地”,表示“不是为了别的,而只是为了……”,强调唯一目的.
例:He came here specially to say sorry to her.
他特意来这里向她道歉
He returned to her hometown specially to see
her sick mother
她回到家乡专门看望生病的母亲