一.in,on在方位名詞前的區(qū)別 1.in表示A地在B地范圍之內(nèi).如: Taiwan is in the southeast of China. 2.on表示A地與B地接壤、毗鄰.如: North Korea is on the east of China. 二.at,in,on在表示時(shí)間上的區(qū)別 1.at指時(shí)間表示: (1)時(shí)間的一點(diǎn)、時(shí)刻等.如: They came home at sunrise (at noon,at midnight,at ten o’clock,at daybreak,at dawn). (2)較短暫的一段時(shí)間.可指某個(gè)節(jié)日或被認(rèn)為是一年中標(biāo)志大事的日子.如: He went home at Christmas (at New Year,at the Spring Festival,at night). 2.in指時(shí)間表示: (1)在某個(gè)較長的時(shí)間(如世紀(jì)、朝代、年、月、季節(jié)以及泛指的上午、下午或傍晚等)內(nèi).如: in 2004,in March,in spring,in the morning,in the evening,etc (2)在一段時(shí)間之后.一般情況下,用于將來時(shí),謂語動(dòng)詞為瞬間動(dòng)詞,意為“在……以后”.如: He will arrive in two hours. 謂語動(dòng)詞為延續(xù)性動(dòng)詞時(shí),in意為“在……以內(nèi)”.如: These products will be produced in a month. 注意:after用于將來時(shí)間也指一段時(shí)間之后,但其后的時(shí)間是“一點(diǎn)”,而不是“一段”.如: He will arrive after two o’clock. 3.on指時(shí)間表示: (1)具體的時(shí)日和一個(gè)特定的時(shí)間,如某日、某節(jié)日、星期幾等.如: On Christmas Day(On May 4th),there will be a celebration. (2)在某個(gè)特定的早晨、下午或晚上.如: He arrived at 10 o’clock on the night of the 5th. (3)準(zhǔn)時(shí),按時(shí).如: If the train should be on time,I should reach home before dark. 三.at,in和on表示地點(diǎn)時(shí)的區(qū)別 1.at表示地點(diǎn): (1)用于指較小的地方.如: I shall wait for you at the station. (2)用于門牌號(hào)碼前.如: He lives at 115 Zhongshan Road. 2.in表示地點(diǎn): (1)用于指較大的地方.如: He lives in Shanghai. (2)雖然是很小的地方,如果說話人住在那里,也可用in.商店、學(xué)校、機(jī)關(guān)等,若看作一個(gè)地點(diǎn)(point)用at,若看作一個(gè)場所(place)用in.如: I met him at the post-office. I’m now working in the post-office. 3.on表示地點(diǎn),一般指與面或線接觸,意為“在……上;在……旁”.如: The picture was hanging on the wall. New York is on the Hudson River. |
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