這篇關(guān)于小學(xué)英語必備語法：時(shí)態(tài)一致，是特地為大家整理的，希望對(duì)大家有所幫助！
    1) 如果從句所敘述的為真理或不變的事實(shí)，則永遠(yuǎn)用現(xiàn)在時(shí)。
    At that time, people did not know that the earth moves.
    He told me last week that he is eighteen.
    2) 賓語從句中的助動(dòng)詞ought, need, must, dare 時(shí)態(tài)是不變的。
    He thought that I need not tell you the truth.