those days 前面能加介词in
问题描述：
those days 前面能加介词in
语法上说this,that,these,those构成时间状语时一般不加介词?
如：Lily went to Beijing this morning.
Father is writing novel these days.
但：Tom lived a hard life in those days.这句话不是也正确吗?
这是为何?请说明何时加介词,何时不加?有奖!
答
Tom lived a hard life in those days.中强调“在”那段日子的过程当中,因为“live”是个可延续性动词,所以用in相反 Lily went to Beijing this morning.中went是不可延续性动词,this morning强调的仅仅是这个时间,...