Read the sentence and look at the sentence diagram.

The dolphins circled playfully around the ship though he swam somewhere else. How should this sentence be corrected? Check all that apply. by changing "swam" to "swims"by removing "circled playfully"by changing "though" to "until"by removing "around the ship"by replacing "he" with "they"

The sentence should be corrected as follows:

1) Replace "he" with "they": the noun "dolphins" is in the plural in the sentence so the personal pronoun that should be used is "they" as "he" is a singular pronoun (noun-pronoun agreement)

2) Replace "though" with "until": The subordinating conjunction "though" is used to connect contrasting ideas and does not reflect the meaning of the sentence. In this case, the correct word is "until" which is a subordinating conjuction of time.

The dolphins circled playfully around the ship until they swam somewhere else.