Inanothergame,astheturtleswimsacrosstheoceanarium,thefirstporpiseswoopsdownfromaboveandbuttshisshellwithhisbelly.我觉得新概念有个词写错了,swims应该改成swimming应该用现在进行时?

Question

In another game,as the turtle swims across the oceanarium ,the first porpise swoops down from above and butts his shell with his belly.我觉得新概念有个词写错了,swims应该改成swimming应该用现在进行时?

Answer 1

swims是对的,这句话是旁人叙述这件事,用一般现在时.