Помогите, пожалуйста!

1. Его гостиная будет чистой и опрятной
 His living room will be not clean and tidy
Will be his living room clean and tidy?
2. Моя младшая сестра домохозяйка
My younger sister isn't a housewife
Is your younger sister a housewife?
3. Он был в кабинете вчера
He wasn't in the study ysterday 
Was he in the study yesterday?
4. Её родители пенсионеры
Her parents aren't pensioners
Are her parents pensioners?
5. Мои одноклассники были в библиотеке в прошлый Вторник
My claasmates weren't in the library last Tuesday
Were your classmates in the library last Tuesday?