1704946980
1704946981
I was in error when I made that apology．我道歉是错误的。
1704946982
1704946983
If you realise you are in error, you should admit it．如果你认识到自己错了，你应当承认。
1704946984
1704946985
The letter was sent to you in error．那封信错寄到你那里去了。
1704946986
1704946987
I did it in error．我这样做错了。
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1704946989
fault也可表示“错误”：
1704946990
1704946991
The faults in the manuscript have been corrected．稿子里的错都改正了。
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1704946993
This exercise has many faults of grammar．这个练习中有很多语法错误。
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1704946995
There are several faults in that page of figures．在那页数字中有好几个错误。
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1704946997
但它的意思较宽，还可表示“缺点”、“毛病”、“责任”等：
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1704946999
His only fault is that he lacks ambition．他唯一的缺点是胸无大志。
1704947000
1704947001
Of his many faults the greatest is vanity．在他的许多缺点中最大的是虚荣心。
1704947002
1704947003
The novel itself has glaring faults．这本小说本身有严重的缺陷。
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1704947005
There is a fault in the electrical connection．电接头处有毛病。
1704947006
1704947007
That’s their fault, isn’t it？这是他们的责任，是吧？
1704947008
1704947009
at fault表示“有毛病”、“有责任”：
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1704947011
The boys are not at fault in this case．在这个情况中男孩子们没责任。
1704947012
1704947013
My memory is at fault．我的记性有毛病。
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1704947016
612 Modal Verb
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1704947018
情态动词是助动词的一部分，也可称为情态助动词（modal auxiliaries）。它们和动词不定式（多不带to）构成谓语，表示一定的意思，如“必须”、“可能”、“能够”等。可用来提出请求、建议等，有时使语言显得更得体、更客气。
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1704947020
情态动词有下面这些：
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1704947022
can could may might must ought shall should will would (need) (dare) 其中shall, should, will, would有时单作助动词，构成时态等。need, dare只在一定情况下用作情态动词（它们将另行讨论）。
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1704947024
情态动词的共同特点是：
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1704947026
它们在第三人称后不加-s；
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1704947028
构成疑问句和否定句不需用别的助动词；
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