2. Only a finite number of situations can arise. 只有有限的几种情况可能会出现。
3. It is quite possible that space and time are finite. 很有可能空间和时间是有限的。
4. 'Am', 'is', 'are', 'was' and 'were' are the finite forms of 'be'; 'being' and 'been' are the non-finite forms. am、is、are、was和were是be的限定形式;being和been是非限定形式。