用不同的时态造句,造十个句子

I go to school by bus。He didn't buy that one。Tom will go to supermarket tomorrow。I am playing the piano。She has gone to Japan。Before i went to the railway ,she had gone。xiaoming was playing basketball at 8clock yesterday morning。I wii be meeting this time tomorrow。By th end of this month ,we will have finished 5 programs。He is going to writing this afternoon。