小升初必備語法：時態(tài)一致
1) 如果從句所敘述的為真理或不變的事實，則永遠用現(xiàn)在時。
At that time, people did not know that the earth moves.
He told me last week that he is eighteen.
2) 賓語從句中的助動詞ought, need, must, dare 時態(tài)是不變的。
He thought that I need not tell you the truth.
1) 如果從句所敘述的為真理或不變的事實，則永遠用現(xiàn)在時。
At that time, people did not know that the earth moves.
He told me last week that he is eighteen.
2) 賓語從句中的助動詞ought, need, must, dare 時態(tài)是不變的。
He thought that I need not tell you the truth.
