Упр.5c Уроки 1-2 Юнит 8 New Millennium English 10 класс

C. Compare the negative sentences. Which expresses a stronger degree of certainty?

1. Computers won’t replace books in the future. (I’m sure.)
2. Computers may / might not replace books in the future. (It is quite possible / possible they won’t.)

1. Computers won’t replace books in the future. — I’m sure.

2. Computers may/might not replace books in the future. — It is quite possible/possible they won’t.

Stronger degree of certainty: the first sentence, because won’t expresses certainty, while may/might not shows possibility.