however的用法詳解
以下是小編為大家整理的however的用法，希望能幫助大家更好地掌握however的用法，提高英語水平。
Note, however that remote sensing also involves the sensing of emitted energy and the use of non-imaging sensors.
這里的however后面跟了一個that從句，我不太明白這里的however的用法，把它翻譯成什么比較好?
這里的However是插入語，表示強調(diào)。that 是作Note 的賓語從句。
不管怎樣，要注意的是遙感術還包括。。。。
不管however以何種形式出現(xiàn)，它都不外乎以下兩種用法。
1. however用作副詞
(1)however表示讓步：意為“無論如何”“不管怎樣”，用來修飾形容詞或副詞，
其詞序為：however+形容詞或副詞+主語+謂語。這樣用的however其實具有連詞的功能，用以引導讓步狀語從句。如：
however much he eats, he never gets fat. 不管他吃多少，他永遠吃不胖。
用于此用法時，請注意以下幾點：
?、俅擞梅▽賖owever所有用法中最重要的考點，同學們務請引起高度重視。
?、谶@樣用的 however 與 no matter how 大致同義。如：
People always want more, however [no matter how] rich they are. 人總是富了還想再富。
however [No matter how] hard I worked, she was never satisfied. 無論我多么努力地工作，她從來沒滿意過。
?、塾袝r從句謂語可用情態(tài)動詞。如：
Don’t laugh, however funny it may be. 無論多么有趣也不要笑。
I’ll try to finish it in time, however hard it may be. 無論多么難，我也要按時完成。
?、?ldquo;however+形容詞或副詞+主語+謂語”有時可以有所省略。如：
I refuse, however favorable the conditions. 不管條件如何有利，我都不干。(conditions后省去了are)
I’d rather have a room of my own, however small (it is), than share a room. 無論房間多么小，我寧愿一個人住一間，而不愿意與別人合住一個房間。
A grammar rule, however true (it is), is useless unless it can be understood. 一條語法規(guī)則，不管如何正確，除非能懂，否則毫無用處。
(2) however表示轉(zhuǎn)折：尤其用于談及一個既成事實時，表示轉(zhuǎn)折，其意為“可是”“仍然”等?？煞旁诰涫?、句中或句末，通常用逗號與句子其他成分隔開。如：
My father, however, did not agree. 但是，我父親不同意。
My room is small; however, it’s comfortable. 我的房間很小，但卻很舒服。
He said that it was so; he was mistaken, however. 他說情況如此，可是他錯了。
注：however不能像 but(但是)那樣直接連接兩個句子(注意正句中的標點符號)。如：
我們都已盡了最大的努力，不過我們還是輸了。.
正：We all tried our best, but we lost the game.
正：We all tried our best; however, we lost the game.
正：We all tried our best. however, we lost the game.
(3)however表示驚奇或強調(diào)：相當于how ever的用法，其意為“究竟怎樣，到底以什么方式”。如：
however did you get here without a car? 沒有汽車你究竟是怎樣來的呢?
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