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ons", but these peoples' behavior, meaning "the behavior of these peoples" (i.e. ethnic groups).
Other irregular plurals are treated in the same way as men, women, children, and people: above all the plurals of ox, sheep, goose and mice (e.g. the oxen's pasture, the sheep's wool, the geese's flight, the mice's tails).
2. A mistake that is frequent among foreign learners of English is to write a phrase such as "these area's problems", when what the person actually means is these problems of the area. 3. It is best to use the apostrophe when you want to show the plural of something which cannot normally be plural:
The past tense of occur is spelt with two r's.
I accept the idea in principle, but there are a lot of if’s.
4. Strings of apostrophes are to be avoided. Thus one should write the friends of that man's son, instead of "that man's son's friends".
5. We say in ten days' time, in twenty years' time (i.e. we use the apostrophe). 6. We say each other's, not "each others'" (e.g. to get on each other's nerves).
II. The Colon (:) 1. Quotations
The colon is often used to introduce quotations:
To quote Nietzsche: "God is dead!"
As the bard (One of an ancient Celtic order of minstrel poets who composed and recited verses celebrating the legendary exploits of chieftains and heroes.吟游诗人古代凯尔特族的吟游诗人，自编自唱，吟唱酋长和英雄的传奇业绩) so abruptly puts it:“All the world’s a stage”
The colon can also be used to introduce direct speech, especially in rather formal or serious contexts:
Finally Mark Antony began his address: "Friends, Romans, countrymen (compatriots), lend me your ears...".
N.B. (N.B.=[拉]nota bene (=note well)注意, 留心)
i. The colon is not used to introduce conversation.
ii. Direct formal quotations begin with a capital letter.
iii. The colon is not used to introduce quotes consisting of very brief phrases:
Do you know that Mrs Thatcher actually said "shut up" to Lord Carrington?
2. Explanations
The colon is often used after a main clause where the following statement explains, elaborates, or illustrates that clause, especially in formal contexts. It may sometimes be replaced by a full stop or a semicolon.
There is no point in worrying: disasters are sure to happen anyway. (Full stop and semicolon also possible.)
The Church is totally opposed to two aspects of the permissive society: that is, abortion on demand and artificial methods of birth control.
Apartheid (种族隔离) was not overthrown: rather, it died a natural death. (Full stop and semicolon also possible.)
The question is this: Is killing ever justified?
He certainly has a drinking-problem: I once saw him drink a whole bottle of whisky. (Full stop and semicolon also possible.)
There is one good thing about skinheads (剃光头的人) and punks: they absolutely hate each other.
3. Lists
Colons can also be used to introduce lists or enumerations, often using the following phrases: as follows, for example, for instance, such as, and the following.
In the world described in Orwell's Animal Farm two basic principles become all-important: (i) all animals are equal; (ii) some animals are more equal than others.
Our solar system consists of the following planets （行星）: Mercury（水星）, Venus（金星）, Earth, Mars（火星）, Jupiter（木星）, Saturn（土星）, Uranus（天王星）, Neptune（海王星）, and Pluto（冥王星）.
N.B. Try to avoid sentences like the following, where the subject and the verb are separated from the complement:
The ingredients of gunpowder are: salt本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。