19.8 比較while, when, as | ||
? | 1)as, when 引導(dǎo)短暫性動(dòng)作的動(dòng)詞。 Just as / Just when / When I stopped my car, a man came up to me. 2)當(dāng)從句的動(dòng)作發(fā)生于主句動(dòng)作之前,只能用when 引導(dǎo)這個(gè)從句,不可用as 或 while。 When you have finished your work, you may have a rest. 3)從句表示"隨時(shí)間推移"連詞能用as,不用when 或while。 As the day went on, the weather got worse. 日子一天天過去,天氣越變?cè)綁摹? |