1. Run-on sentences

2. What is a RO sentence?
It occurs when two or more sentences are connected improperly.
E.g. 1
It was a beautiful day there was not a cloud in the sky.
E.g. 2
I don't play tennis well I have a poor backhand.

3. How do we correct RO sentences?
Linking words & phrases
Correction punctuation (NOT commas!)
E.g. 1
It was a beautiful day there was not a cloud in the sky. X
It was a beautiful day. There was not a cloud in the sky. √
It was a beautiful day; there was not a cloud in the sky. √
It was a beautiful day as there was not a cloud in the sky. √

4. Using a semi-colon (;)
Link two independent clauses to connect closely related ideas.
When a semicolon is used to join two or more ideas (parts) in a sentence, those ideas are then given equal position or rank.
The two clauses in that sentence are separated by a semicolon and could be sentences on their own if you put a period between them instead.

5. Linking words & phrases
Refer to: Linking words & phrases