1) I started teathing at this school since 1995.
since 后面跟时间点,
2)
The film has been stared for two minutes.
have been done后面跟一段时间,
1) I started teathing at this school since 1995.
since 后面跟时间点,
2)
The film has been stared for two minutes.
have been done后面跟一段时间,