The words most fun should be used instead of funnest.
The word their should be used rather than there.
This sentence is correct as written.
The correct form would be he and his sister.
"When referring to a specific individual, this word needs to be capitalized."
The form should be to.
The words knew and only should be switched.
A comma should be used here rather than a semi-colon
The adjectival form rather than the adverbial form should be used here.
"In order for this verb to agree with picked, it should be in the past tense: drove."
The names of the days of the week should be capitalized.
Their should be a comma after setbacks.
There should be a comma after the word feel but before the quotation marks.
"Another dash, rather than a semi-colon, is appropriate here."
The sentence is correct as written.
A comma is more appropriate than a colon.
The sentence is correct as written.
A comma should be used rather than a semi-colon.
The correct for would be contentedly.
This word creates an improper double negative in the sentence.
This is a split infinitive; the correct form is to be always.
The word their should be used here.