一般情况下,从句时态跟着主句时态改变.
e.g.The professor said he was right.
但有一种特殊情况,即在陈述客观事实时,用一般现在时.
e.g.The professor said the earth goes around the sun.
一般情况下,从句时态跟着主句时态改变.
e.g.The professor said he was right.
但有一种特殊情况,即在陈述客观事实时,用一般现在时.
e.g.The professor said the earth goes around the sun.