主语后如果没有谓语动词,那么就用take a bus,如 I take a bus to school everyday.
主语后有谓语动词,那么就可以用by bus,如I go to school by bus everyday.
by + 交通工具 ,中间没有冠词,如 by bus ,by taxi,by train,by air
其他介词+交通工具,通常要加冠词,如 on the bus,on the train.
主语后如果没有谓语动词,那么就用take a bus,如 I take a bus to school everyday.
主语后有谓语动词,那么就可以用by bus,如I go to school by bus everyday.
by + 交通工具 ,中间没有冠词,如 by bus ,by taxi,by train,by air
其他介词+交通工具,通常要加冠词,如 on the bus,on the train.