1. If you heard him speak Chinese, you would take him for a Chinese.

Question

2. To hear him speak Chinese, you would take him for a Chinese.

(Does #1 mean #2?)

3. If you hear him speak Chinese, you will take him for a Chinese.

4. To hear him speak Chinese, you will take him for a Chinese.

(Does #3 mean #4?)

Answer 1

Yes, 1 and 2 mean the same thing, and 3 and 4 mean the same thing, too!

Nice!