1704792209
1704792210
Her feelings as she read the letter were scarcely to be defined.(她看信时的心情不可名状。)
1704792211
1704792212
The twins are to be distinguished by their voices.(双生子可以由他们的声音辨别出来。)
1704792213
1704792214
“ I am all astonishment. How long has she been such a favourite?——and pray,when am I to wish you joy?”—— Jane Austen(“我真个吓倒了。她被你看中有多久了?请你告诉我,什么时候我可以庆贺你们的订婚呢?”)
1704792215
1704792216
(3)表义务:
1704792217
1704792218
You are to post this letter at once.(你马上去把这封信发了。)
1704792219
1704792220
She asked him what she was to do.(她问他看她要做点什么。)
1704792221
1704792222
Let me know everything that I am to know without delay.(我需要知道的事赶快都告诉我吧。)
1704792223
1704792224
You are to come with me.(你须和我同去。)
1704792225
1704792226
You are to stay here till I come back.(你得待在此地等我回来。)
1704792227
1704792228
(4)表假设:
1704792229
1704792230
If he were to come,say that I am absent.(万一他来了,只说我不在家。)
1704792231
1704792232
Certain skills must be learned if one is to use English effectively.(如果想要有效地使用英语,某些技巧是必须学得的。)
1704792233
1704792234
If it is to be done at all,do it well.(如果一定要做的话,就好好地做吧。)
1704792235
1704792236
(5)表目的:
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1704792238
This house is to be let or sold.(这房子要出租或者出售。)
1704792239
1704792240
Not an instant is to be lost.(一秒钟也不要浪费。)
1704792241
1704792242
And the augurs were as clever as are politicians,who also must practise divination,if ever they are to do anything worth the name.—— D. H. Lawrence(现代的政治家也和古代的占兆家一样不得不实行占兆,如果他们想要做点名副其实的事情的话,所以古代的占兆家也和现代的政治家一样的聪明呢。)
1704792243
1704792244
(6)表结果:
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1704792246
He was to blame for not locking the door.(没有锁门是他的过错。)
1704792247
1704792248
Am I to understand that you have engaged yourself to this young gentleman?—— Shaw(你是说你已经和这个青年男士订了婚吗?)
1704792249
1704792250
(7)表运命:
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1704792252
The Prince of Wales has been touring the worldwide dominions of which,some day,he is to be the crown head.—— H. G. Wells(将来命定要做英国领土之王的皇太子,去周游了遍及全世界的领土回来了。)
1704792253
1704792254
美国的文法家 Curme 说,“be+不定词”的形式,常用来代替 must,should,ought to,have to 等等,这就是指上面说的第三项。
1704792255
1704792256
凡自动词用 is to do,他动词用 is to be done,但他动词的 blame 是一个例外,通常并不说 to be blamed,也许这是受其含义的影响,因 be+to blame 是“应负责”(有自动的意味),例如: Who is to blame for the disaster?(这灾难谁负责呀?)
1704792257
1704792258
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