主句是一般現在時,從句根據實際情況使用任何時態。 例句:The headmaster hopes everything goes well. 主句是一般過去時,從句須用過去時態的某種形式。 例句:She was sorry that she hadn’t finished her work on time. 當賓語從句表示的是一個客觀真理或者事實真理時,即使主句是過去時,從句也用一般現在時態。 例句:The teacher told his class that light travels faster than sound.
