| 词组 | half |
| 释义 | Contents overview half478 half1half (of)We use half or half of mostly before a noun with a determiner (article, possessive or demonstrative). We do not normally put a or the before half in this case.She spends half (of) her time travelling. (not She spends a/the half …)I gave him half (of) a cheese pie to keep him quiet.When half (of) is followed by a plural noun, the verb is plural.Half (of) my friends live abroad. (not Half of my friends lives …)Of is not used in expressions of measurement and quantity.I live half a mile from here. (not … half of a mile …)I just need half a loaf of bread. (not … half of a loaf …)The train was half an hour late. (AmE also … a half hour …)We use half of before pronouns.'Did you like the books?''I've only read half of them.'2no following nounHalf can be used without a following noun, if the meaning is clear.I've bought some chocolate. You can have half. (not … the half.)3the halfWe use the before half if we are saying which half we mean. Before a noun, of is used in this case.Would you like the big half or the small half?I didn't like the second half of the film.4half a and a halfHalf usually comes before the article a/an, but it is possible to put it after in expressions of measurement.Could I have half a pound of grapes? (or … a half pound …)5one and a halfThe expression one and a half goes with a plural noun. Compare:I've been waiting for one and a half hours. (not … one and a half hour.)I've been waiting for an hour and a half.For more information about numbers and counting expressions, 322.For half in clock times (e.g. half past two), 325.Previous Next |
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英语用法大全包含1354条英语用法指南，基本涵盖了全部常用英文词汇及语法点的翻译及用法，是英语学习的有利工具。