Question

He swan ___the pool.preposition?​

Answer 1

He swam in the pool.

How to use prepositions in English Grammar

• In English Grammar, more than 150 words are used to connect two parts of the sentence to give it a sense. These words are known as prepositions.
• Without prepositions, the structure of the sentence is incomplete making no sense.
• We add these words before nouns, proper nouns to complete the sentence.
• We can also use these words to show time, direction, and location.
• Some examples of prepositions are to, by, from, upon, etc.

So the correct answer will be in.