1) since +过去一个时间点 (如具体的年、月、日期、钟点、1980, last month, half past six)。 I have been here since 1989. 2) since +一段时间+ ago I have been here since five months ago. 3) since +从句 Great changes have taken...
Since 用来说明动作起始时间，for用来说明动作延续时间长度。 I have lived here for more than twenty years. I have lived here since I was born.. My aunt has worked in a clinic since 1949. Some new oilfields have been opened up sin...
听歌学英语:从此我们天涯陌路 Since U Been Gone Kelly Clarkson是胜出格莱美奖的美国流行音乐歌手，第一位美国偶像冠军。Kelly胜出比赛后于2003年推出首张专辑Thankful。此专辑空降Billboard专辑榜专辑...
Technology Report - How Technology Has, and Has Not, Changed Since 9-11 科技报道 - 911袭击以来启用与尚未启用的新技术 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 It has been te...
Today were looking at various ways to say because, including due to,since, and as. Wordy Ways to Say Because First, lets disparage all the wordy ways to express the meaning because. There are quite a few: due to the fact that, owing to the fact that,...
...
...
Since 用来说明动作起始时间，for用来说明动作延续时间长度。 I have lived here for more than twenty years. I have lived here since I was born.. My aunt has worked in a clinic sinc...
一.本课要点及示例 在这一课里我们要复习现在完成式, 并且要学习两个时常跟现在完成式句子一起用的连词, 一个是 since, s-i-n-c-e, since, 一个是 for, f-o-r, for. 现在我们还是按照惯例, 先请英文老...
