Посмотри на таблицу и напиши предложения о  том что учитель должен делать и что он делать не обязан.

 

 

Пример первого :A teacher has to srudy very hard.

 

 

Со второго 

A teacher doesn’t have to wear formal clothes at work.

A teacher has to care about students.

A teacher doesn’t have to work at weekends.

A teacher has to fill in reports.

A teacher has to prepare material for students.