Крч, просто переводишь на одну ступень в прошлое
Из презен в паст
Из паст в паст перфект
you must go school and dont late
you must study good
you must get good marks
you mist listen teacher
you must do your homework
you must be careful
you mustnt bit your classmate
you mustnt go late to school
you mustnt bit your teacher
Career, institute, profession, department, sociology, sociologist, situations, period, Economic, social, <span>problems, </span>