宾语从句的时态
(1)若主句是一般现在时、一般将来时或祈使句时,宾语从句根据句子的意义使用需要的时态。如:
Wedon’tknowwhohasbrokenthewindow.Butwewillfindoutwhohasdonethat.
Pleasetellmewherewewillgo.
(2)若主句是一般过去时,宾语从句要用相应的某种过去时态,如一般过去时、过去进行时、过去将来时或过去完成时。如:
Hesaid:I’mastudent.-----Hesaidthathewasastudent.
Theteacherasked:WhatisMikedoing?-----TheteacheraskedwhatMikewasdoing.
(3)若宾语从句叙述的是客观真理或永恒不变的规律,则应采用一般现在时,不受主句时态的限制。如:Ourteachersaidthattheearthmovesroundthesun.