Возмите красную ручку, исправте ошибки. 
1.Your little sister usually goes to the bed  at 8 o,clock , doesn,t she?
2. We shalln,t go to school tomorrow. 

а где исправление?

1.Your little sister usually goes to the bed at 8 o'clock , doesn't she?2. We shall not go to school tomorrow.