1, Liz didn't buy many souvernirs in HCM city.
Did liz buy many souvernirs in HCM city?
2, i was not very tired after the trip
Were you very tired after the trip?
3, they are not watching my father 's new motobike
Are they watching my father 's new motobike?
4, We did not visit cham temple last month.
Did we/they visit cham temple last month?
5, trung's brother does not go on holiday in HLb every summer
Does trung's brother go on holiday in HLb every summer?
