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At the end of a sentence we put a full stop (.) after a statement or imperative. 开始学习
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We'll go for a walk now. But bring your coat.
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At the end of a sentence we put a question mark (?) after a question. 开始学习
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Do you want to go to Hyde Park? Shall we look at the shops first? Are they open on Saturdays?
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At the end of a sentence we put an exclamation mark (!) after an exclamation. 开始学习
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Look what I've got! What a fantastic dress!
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We write a capital letter (a big letter) e.g.We... or But... Hyde Park. Saturday. I. 开始学习
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at the beginning of a sentence. at the beginning of each word in a name and days and months, but not in other nouns. for the word I.
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We use a semi-colon (;) between to main clauses when the second main clause is not linked grammatically to the first. 开始学习
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The farmer and his sons start work at six o'clock every morning; they have to get up early because there is always so much to do.
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We put a comma usually between two main clauses before but, and or or, but only if the second clause has a subject (e.g. he). We use a comma to show a shorter pause than a semi-colon (;) or a full stop (.). The rules about commas aren't very definite. We can often choose whether to put a comma or not. 开始学习
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He looked for the key, but he couldn't find it. He looked for the key but couldn't find it.
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We put a comma after a sub clause. 开始学习
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When I saw the photo, I laughed.
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We put a comma after a reported clause. 开始学习
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The questions were easy, Alan said.
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We put a comma around a non-defining relative clause. 开始学习
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Mr Sims, who lives opposite, is ninety-six.
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We put a comma not usually before a sub clause. 开始学习
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I laughed when I saw the photo.
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We put a comma not before a reported clause. 开始学习
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Alan said (that) the questions were easy.
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We put a comma not before a question word or that. 开始学习
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We all saw what happened.
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We put a comma not with a defining relative clause. 开始学习
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The man who lives opposite is ninety-six.
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We put a comma not before an infinitive. 开始学习
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The police came to the house to ask him some questions.
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We put a comma sometimes after an adverb phrase but not usually before it. 开始学习
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On Thursday afternoon, they all went out together. They all went out together on Thursday afternoon.
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We put a comma usually around a phrase in apposition. 开始学习
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Mr Reid, the owner of the company, lives near Southport.
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We put a comma usually around a linking word. 开始学习
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The food, however, was good.
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We put a comma usually after or before a linking word or sentence adverb. 开始学习
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On the other hand, we need a quick decision. We could go to Tunisia, for example. Actually, I'm a liberal. It won't be easy, of course.
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We put a comma usually before please and after yes or no. 开始学习
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Have you got the number, please? Yes, I have.
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We put a comma before or after the name of a person we are speaking or writing to. 开始学习
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Have you seen this, Pat? Dear Mr Bright, Thank you for your letter.
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We put a comma in a list of more than two things. 开始学习
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Inside the room there was a table, two chairs, a lamp and a television set.
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We use quotation marks ("...") before and after direct speech. We usually put a comma before or after the direct speech. 开始学习
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David said, "It's time to go now". "It's time to go now, " David said/said David.
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We use the apostrophe in the possessive form of nouns. 开始学习
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These are my girl-friend's records.
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We use the apostrophe in short forms. 开始学习
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Chris isn't thirty. He's only twenty-five.
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We can use a short form only if the word is unstressed. We do not use short forms with yes or when a word is stressed. 开始学习
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Yes, we have. We really have had nice weather.
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We can use short forms after a pronoun. 开始学习
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We can use short forms sometimes after a noun. 开始学习
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We can use short forms sometimes after a question word. 开始学习
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We can use short forms after there and that. 开始学习
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We can use short forms for is after here. 开始学习
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We can use short forms for not after an auxiliary or modal verb. 开始学习
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We use short forms when we write down an informal conversation or in informal writing 开始学习
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e.g. in a letter or a postcard to a friend.
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When we use the short form, we leave out part of the word we are writing. We put an apostrophe (') instead of the missing part and we write the two words together as one. 开始学习
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'm=am; 've=have; won't=will not; 're=are; 'd=had/would; n't=not; 's=is/has; 'll=will/shall.
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Sometimes there are alternative short forms. 开始学习
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e.g. it is not > it isn't/it's not. They will not > they won't/they'll not.
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We write some compound nouns as two words, some with a hyphen and some as one word. The rules about hyphens aren't very definite. 开始学习
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That's a police dog. I've rung the police-station. Here's a policeman.
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We normally use a hyphen in compound adjectives. 开始学习
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There's a three-mile-long tunnel.
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We often use a hyphen after a prefix. 开始学习
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Don't over-fill the tank. We can re-use these bottles.
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