③如果宾语从句表述的是客观真理、自然现象等时， 不管主句是什么时态，从句都要用一般现在时。 He said that light travels much faster than sound Linda told us that the moon travels around the earth.③如果宾语从句表述的是 等时， 不管主句是什么时态，从句都要用一般现在时。 • He said that light travels much faster than sound. • Linda told us that the moon travels around the earth