Read these sentences and choose the correct variant.
1.
We must to stand up when the teacher arrives in the classroom We must stand up when the teacher arrives in the classroom
2.You mustn’t to speak with another pupil during a test
You mustn’t speak with another pupil during a test
3.You shouldn't to sit so close to the TV
You shouldn't sit so close to the TV
1. We must stand up when the teacher arrives in the classroom .
2. You mustn’t speak with another pupil during a test .
3. You shouldn't sit so close to the TV.
*После этих модальных глаголов используется инфинитив БЕЗ частицы to