宾语从句 请问在宾语从句中如果主句用一般现在时,从句是否用一般现在时?比如这题

问题描述:

宾语从句 请问在宾语从句中如果主句用一般现在时,从句是否用一般现在时?比如这题
1.Could you tell me.How long have you been here.
这里是用had been还是 have been
2.I don't know where their school were还是 where their school are?

当主句的谓语动词是一般现在时时,宾语从句可以是任意时态.Could you tell me how long you have/had been here.(根据需要选择)I don't know where their school is.(若表示客观存在时用现在时,若要表示过去他们的学...