half的用法

half有一半;下半場;半學年的等意思，那麼你知道half的用法嗎?下面跟着本站小編一起來學習一下，希望對大家的學習有所幫助!

　　half的用法大全：

half的用法1：half用作形容詞的意思是“一半的”,表示“半個某物”時,英式英語多用half a...; 美式英語多用a half...。

half的用法2：half也可作“(…點鐘)以後半小時”解。

half的用法3：half可直接修飾名詞,但不可直接修飾代詞。

half的用法4：“一個半某物”有兩種表達法:a/an+名詞單數+and a half(half爲名詞)或one and a half+名詞複數(half爲形容詞)。例如:A month and a half has passed.一個半月過去了。One and a half pears is left on the table.桌上還留一個半梨子。在上述兩種結構作主語時,謂語動詞都用單數形式。

half的用法5：half在表示“一半”的數量時,英式英語一般用half a/an,如half an hour(半小時), half a dozen(半打); 而美式英語一般用a half,如a half hour, a half dozen, a half apple。但half與數詞連用時,冠詞須置於half之前。例如:I spent two and a half years there.我在那兒呆了兩年半。

　　half的用法例句：

1. Elliott crossed the finish line just half a second behind his adversary.

埃利奧特跨過終點線時僅比對手落後半秒鐘。

2. She'd half expected him to withdraw from the course.

她多少已經預料到他會中途就退出這門課程。

3. The French, who led 21-3 at half time, scored eight tries.

上半場以21：3領先的法國隊有8個達陣得分。

4. The curtains were half drawn to cut out the sunlight.

窗簾拉上了一半以遮擋陽光。

5. From what I hear, half the campus is lusting after her.

從我聽到的來看，半個學校的人都想和她上牀。

6. You're not half the man you think you are.

你根本不是你自己想象的那種人。

7. It's half past two. I think we had better go home.

現在兩點半了。我想我們最好還是回家吧。

8. Half of PML's scientists have first degrees, the other half have PhDs.

普利茅斯海洋研究所的科學家一半有學士學位，另一半則有博士學位。

9. The five survivors eventually reached safety, ragged, half-starved and exhausted.

5位倖存者最終到達安全之地時已經衣衫襤褸、飢腸轆轆、精疲力盡。

10. He spent two and a half weeks with us in June 1986.

1986年6月他和我們一起呆了兩週半。

11. Add a few drops to half a tumbler of water.

在半玻璃杯水裏面加上幾滴。

12. Too often he only absorbs half the information in the manual.

他對於說明書上所說的經常是一知半解。

13. By half distance we held a comfortable two-lap lead.

到半程時，我們輕鬆領先兩圈。

14. Every year they panned about a ton and a half of gold.

每年他們淘出大約1.5噸金子。

15. Less than a half hour later he returned upstairs.

不到半個小時，他又跑上樓來。