| 释义 |
Numbers There are two common kinds of number:Cardinal numbers are used in all forms of counting that involve a total.| one chair | two chairs | | a hundred people | ten thousand pounds |
Ordinal numbers are used to talk about where something is placed in an ordered sequence. They are often used right after the definite article or after a possessive.- The first horse in was disqualified.
- He’s celebrating his fifty-first birthday in August.
- The company has just celebrated its one hundred and fiftieth anniversary.
Ordinals are mostly formed by adding -th to a cardinal number.| fourth | twentieth | hundredth | | fifth | forty-ninth | millionth | | sixth | eighty-sixth | thousandth | | nine hundred and ninety ninth |
Some examples of exceptions are the words first, second, and third, and combinations which contain them, such as twenty-first.Cardinal numbers can be used at the beginning of a noun phrase, like determiners.| one chair | two chairs | | a hundred people | ten thousand pounds |
or on their own, like pronouns.- And then there were three.
- Four of them came towards us.
- The other two went to get help.
- Grammatically speaking, the words next, last, and another can also be regarded as ordinal numbers.
- It rained on the last day of our holiday.
- The next horse in was declared the winner.
- Oh no, not another birthday!
Ordinal numbers and the words next and last are sometimes called postdeterminers, since they come after the word the or a possessive .- The next three days are going to be very exciting.
- The last three years have been difficult for everyone.
- We have to get off the bus at the next stop.
- An ordinal, as well as next, last, and another, can be used together with a cardinal number in the same noun phrase.
- The first three correct entries will win a prize.
- He scored another three goals before the end of the match.
- To show that a cardinal number is only approximate, the word, some is often used before it.
- Some two hundred people gathered in the pouring rain.
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