Make the sentences interrogative:
1) She is always attentive in c
Make the sentences interrogative:
1) She is always attentive in class. (General question)
2) Mary will buy you a dictionary. (Tag  question)
3) They were at the theatre last week. (Special question)
4)Kate known English very well. (Alternative  question)
5)She was cooking dinner at 5 o'clock. (Negetive-Interrogative form)  

She is always attentive in classGeneral: Is she always attentive in class?Mary will buy you a dictionary,won't she?(tag)Where were they last week?(special)The 4th sentence is not correct, if you improve the mistake and write Kate knew English very well, the alternative question will be: Did Kate know English or Italian very well?She was not cooking dinner at 5 o'clock (negative)Good luck!