1) Tiny did not write songs for pop singers last year.
2) Billy did not be in Antarctida three days ago.
3) The boy did not drink cold and dirty water yesterday.
4) Jill did not play football an hour ago.
если есть отрицательная форма в предложении (did not/ didn't), то глагол прошедшего времени меняем на глагол настоящего времени (were-be, wrote-write)