Necesito q me ayude con tag questionseste es un ejemplojane prefers to travel by bus, doesn't she?

Necesito q me ayude con tag questions este es un ejemplo jane prefers to travel by bus, doesn't she? Aca estan las oraciones 1 - she is americam, ? 2 - you don't study english, ? 3 - you were at home, ? 4 - tom was watching TV, ? 5 - he has written 5 letters, ? 6 - they weren't late, ? 7 - you didn't study for the test, ? 8 - you haven't been her all week, ? 9 - you had done it before then, ? 10 - she won't fail the exam, ? 11 - you can't drive a car, ? 12 - you coudn't say anything, ? 13 - we mustn't say anything, ? 14 - you shouldn't be so bury, ? 15 - you would stop me, ? 16 - mary spoke in french in her class, ? 17 - peter studied english at CEN, ? 18 - miss patty practised the topics with us, ? 19 - the teachers took some oral lessons, ? 20 - my mother didn't cook delicious yesterday, ? 21 - the girl didn't travel to new york, ? Con su respectivo tiempo help! : c.