① General medical questions
Q: Have they placed another order?
A: Yes, we received it this morning.
Subordinate statements
Q: This is your laptop, isn't it?
A: No, mine is at home.
③ Negative sentences
Q: Haven't you had lunch yet?
A: No, I didn't have time.
④ Suggestion/request interrogatives
Q: Would you like to come out for a drink?
A: That sounds nice.
⑤ Optional statement (No Yes/No answer possible)
Interrogative statements that contain an OR will give you a choice or a third answer.
Q: Which would you prefer, tea or coffee?
A: Water would be enough for me.
⑥ Indirect statements
Q: Do you think the boss will take us out for lunch today?
A: He's probably too busy today.
⑦ Wh interrogative sentence (No Yes/No answer possible)
Interrogative sentences beginning with who, which, what, when, where, why, and how require you to listen carefully to the first word,
Q: Why were you so late this morning?
A: Because of the traffic jam.