It's a run on. It is easy to fix.
Jackson is a very smart little boy. He can count to twenty and is only two years old.
Answer:
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t
he was so much for your support of school and again and again and again and again and again
The man in the back row brought his friends with him
man (subject)
in the back row (preposition)
brought (verb or predicate)
with (preposition or possession)
