“John killed Bill but Bill didn’t die” is a (n) （）.

“It is raining hard” is a one-place predication sentence.

According to the ways antonyms differ, how many groups can we classify antonyms into?

The sentence “The baby smiled.” is a（）.

As modern linguistics aims to describe and analyze the language people actually use, and not to lay down rules for "correct" linguistic behavior,it is said to be （）.