Most common: “I don’t know.”
Other natural forms:
Avoid: “No know,” silence, or guessing.
Luis and Maya were looking at the schedule before the meeting. Luis asked, “Do you know what time it starts?” Maya froze for a moment. She usually guessed, but today she said clearly, “I don’t know.”
Luis smiled. “No problem. We can check the paper on the wall.” Then he asked, “Do you know who’s bringing snacks?” Maya said, “I’m not sure.” Luis laughed and said, “I don’t know either. Let’s find out.”
1) Why did Maya say “I don’t know” instead of guessing?
2) What did Luis do when Maya didn’t know the answer?
1) Carlos: What page are we on?
Marina:
2) Carlos: Do you understand the instructions?
Marina:
3) Carlos: Should we start now?
Marina:
Marina: Luis, do you know where the new forms are?
Luis: I don’t know. Maybe near the door?
Marina: I looked there. I'm not sure.
Luis: Let’s check the front desk.
Marina: Good idea. Do you know the manager’s name?
Luis: I’m not sure. I don’t know yet.
Marina: Should we ask the person by the printer?
Luis: Yes! If we don’t know, we can ask.
Marina: I don’t understand the new system.
Luis: Me neither. Let’s learn it together.
1) Who is calling?
2) What does “tighten” mean?
3) Is the office open today?
4) How many pages do we read?