possible, probable的区别
这两个词的反义词是impossible, improbable
1）possible作“或许”解，有“也许如此，也许不如此”之意。强调客观上有可能性，但常常带有“实际可能性很小”的暗示。
2）probable用来指有根据，合情理，值得相信的事物，带有“大概，很可能”的意味。语气比possible要重，是most likely之意。
It’s possible, though not probable. That he will accept the terms.他也可能接受这些条件，但希望不大。
(2) be possible, be probable常用形式主语it，构成句型为：
It is possible/probable + that …（从句）
It is possible /probable+ for sb. to do sth. 例如：
他有可能做这件事。
[√] It is possible for him to do this.
[√] It is possible that he will do this.
[×] He is possible to do this.
particular, especial或special区别
三者均有“特别的”之意，
但particular指同类事物中具有独特性质的一个
especial和special相同，强调某种特殊的目的或用途，但especial为书面语，口语中多用special。
There was a particular expression in his eyes. 他眼睛中有一种特别的神情。
The patient needs special/ especial care. 病人需要特殊的照料。
Coins can be made of many different kinds of metal mixed together.
mixed together(=…which are mixed together)过去分词短语作后置定语，相当于一个省略的定语从句。
He is reading the short stories written by Lu Xun. ( = He is reading the shorts stories which were written by Lu Xun. )
Please give me letters received yesterday. (=…the letters which were received yesterday. )
如果这个分词是一个单词，就位于修饰的名词之前，作定语。
She is our respected teacher.
The lost key has been found.
A year passed when it was realized that the parcel had been sent to the wrong destination.一年以后才发现包裹送错了地方。
It’s possible that one of them kept a bank where the workers could keep their money safe.有可能他们中的某个人办了一家银行，工人们可以放心地把钱存在那儿。
www.yf1234.com 这是一个由形式主语it引导的复合句，真实主语是后面的that从句。其句型结构为：It is+形容词+that从句，常用于这个句型的形容词有：possible，necessary, important, clear, certain, strange等。
It is necessary that we master one or two foreign languages.我们精通一至二门外国语是很必要的。
keep a bank意为“开办银行”。此处keep为及物动词，意为“经营”、“管理”、“养活”。
keep a shop意为“开办商店” keep the farm意为“经营农场”
keep the house意为“管理家务”keep the family意为“养家糊口”
It contained 54,951 coins dating from the year 260－275 AD.那一次挖掘的硬币共有54951枚，都是公元260－275年间的硬币。
dating from在句中作定语，相当于定语从句…which dated from the year…修饰先行词coins, date用作vi., 意思是“起始”、“兴趣于”。date from 表示“始于……时期”。
过去分词短语和现在分词短语用作定语时相当于一个定语从句。如：
Tell the children playing (== who are playing) there not to make so much noise.让那些在那儿玩的小孩别这么吵。
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英语教案－Unit 6 Mainly revision