摘要
1.我昨天晚上11点才上床睡觉。误:I went to bed until 11o’clock last night. 正:I didn’t go to bed until11 o’clock last night. 析:until作介词用时有两种用法:(1)若句中谓语为延续性动词,则用肯定句式,其意为“直到……为止”。如: She will stay here untilSaturday.她要一直呆到星期六。I waited until 8 o'clock.我一直等到八点钟。(2)若句中谓语为短暂性动词,则用否定式,其意为“直到……才……”。如:
