應(yīng)不少條友的私信要求,整理一些基礎(chǔ)語(yǔ)法知識(shí),希望對(duì)大家的學(xué)習(xí)有所幫助。本文主要學(xué)習(xí)《表示時(shí)間節(jié)點(diǎn)的介詞(by/till/until)辨析》。歡迎留言或私信交流,共同進(jìn)步。
學(xué)習(xí)讓我快樂(lè)!
一、by后接時(shí)間點(diǎn),多表示“到何時(shí)為止動(dòng)作已完成”;例如:
- By last year, the Yellowstone wolf population had grown to more than 170 wolves. 截至去年,黃石國(guó)家公園中狼的數(shù)量已經(jīng)增加到了170多只。
- By the end of the sixth grade,Teddy had become one of the smartest children in the class. 到六年級(jí)結(jié)束時(shí),特迪已成為班上最聰明的孩子之一。
二、till/until用在肯定句中時(shí),表示“直到……為止”; 用在否定句中時(shí),表示“直到……才”;例如:
- I went to the Red-headed Club’s office at 10 am and stayed till 2 pm. 我上午10點(diǎn)去了紅發(fā)會(huì)的辦公室,并一直待到下午2點(diǎn)。
- They told her to stay still until the emergency personnel arrived. 他們告訴她要在緊急救援人員到達(dá)之前保持不動(dòng)。
- I did not realize how right my parents were until I entered high school. 直到進(jìn)入了高中,我才意識(shí)到我父母當(dāng)時(shí)的做法是多么正確。