Phrases for Estimating & Guessing

1. If I had to take a guess, I’d say… [she’s about 35 years old].
2. It’s difficult to say, but I think… [our customers are more satisfied].
3. Off the top of my head, I’d say… [the company has 500 employees]. (= what I remember/estimate, without checking the actual statistics)
4. It’s about… [10 miles away].
5. It’s around… [three hours long].
6. I wouldn’t be surprised if… [Peter asks Jill to marry him].
7. There’s a good chance… [it’ll rain tomorrow].
8. I have a feeling/hunch… [the boss won’t be happy about this]. (hunch = an instinctive feeling)
9. I bet… [he’ll be late].
10. Your guess is as good as mine. (= I don’t know)