以他坐公交车去上学为例:
一般现在时 He goes to school by bus every day.
一般过去时 He went to school by bus (yesterday)
现在进行时 He is going to shcool by bus now.
现在完成时 He has gone to school by bus.
过去完成时He had gone to school by bus.
过去进行时 He was going to school by bus at this time yesterday.
一般将来时 He will go to shcool by bus tomorrow.
过去将来时 He would go to school by bus.