Yes/No
WH questions
Infinitive

Present
Past
100

Direct Question: Is she at home?


Expected Answer: Can you tell me if she is at home?

100

Direct Question: Where is the library?


Expected Answer: Can you tell me where the library is?

100

Direct Question: Where should I park?


Expected Answer: Can you tell me where to park?

100

Direct Question: What does your brother study?


Expected Answer: Can you tell me what your brother studies?

100

Direct Question: Where did you go yesterday?


Expected Answer: Can you tell me where you went yesterday?

200

Direct Question: Did they finish the homework?


Expected Answer: Do you know if they finished the homework?

200

Direct Question: What time does the movie start?


Expected Answer: Do you know what time the movie starts?

200

Direct Question: What should we buy?


Expected Answer: Do you know what to buy?

200

Direct Question: Where do they work?


Expected Answer: Do you know where they work?

200

Direct Question: Why did he miss class?


Expected Answer: Do you know why he missed class?

300

Direct Question: Can he drive?


Expected Answer: Could you tell me whether he can drive?

300

Direct Question: Why did she leave early?


Expected Answer: Could you explain why she left early?

300

Direct Question: How can I solve this?

Expected Answer: Could you explain how to solve this

300

Direct Question: Why is she crying?


Expected Answer: Could you tell me why she is crying?

300

Direct Question: What happened at the party?

Expected Answer: Could you explain what happened at the party?

400

Direct Question: Are we late?


Expected Answer: Can you tell me if we are late?

400

Direct Question: Where can I buy tickets?


Expected Answer: Do you know where I can buy tickets?

400

Direct Question: When should they arrive?


Expected Answer: Can you tell me when to arrive?

400

Direct Question: How does this machine work?


Expected Answer: Can you explain how this machine works?

400

Direct Question: When did they arrive?


Expected Answer: Can you tell me when they arrived?

500

Direct Question: Will the teacher give a test?


Expected Answer: Do you know whether the teacher will give a test?

500

Direct Question: Who won the competition?


Expected Answer: Can you tell me who won the competition?

500

Direct Question: Who should I ask?


Expected Answer: Do you know who to ask?

500

Direct Question: What are the students doing?


Expected Answer: Do you know what the students are doing?

500

Direct Question: Who called you last night?


Expected Answer: Do you know who called you last night?