i have learned Japanese since two years ago.的时间部分

i have learned Japanese since two years ago.的时间部分 i have learned it since three years ago.这里since做介词?three yea 怎样理解I have had the bike for two years/since two years ago中的h SINCE TWO YEARS AGO的同义句 英语翻译一、选出与划先部分意义相同的选项1.I have English for two years.A.learned I have konwn Sandy since two years ago 改为同义句 I have started to study English since two years ago 怎么改 Since they(visited/have visited)hangzhou two years ago,they( since two years ago与since two years的区别,分别用在什么时态? I have arrived here since 3 years ago. I have known sandy since three years ago have learned English for about two years 的被动语态