He has been watching English movies since about two month 这句话有错吗?

问题描述:

He has been watching English movies since about two month 这句话有错吗?

有,应该改为“He has been watching English movies since two month ago".那since about two months 对还是forzbouttwomonths对forzbouttwomonths对。 因为只有for加一段时间, 如果有since的时候,”since about two months“就要加ago.