Wrong. Tomorrow is Tuesday, you must come then.

Right. Tomorrow is Tuesday. You must come then.

829. Use a semicolon (;) between co-ordinate clauses that are not joined by a co-ordinating conjunction.

Wrong. He went to South America, I stayed at home.

Right. He went to South America; I stayed at home.

830. Use a semicolon between clauses that are joined by conjunctive adverbs.

She could not come; so there was no meeting.

I did not see him; nevertheless I knew he was there.

The men were none too sure of their next move; their doubt, however, only tended to heighten their excitement.

831. Use a semicolon between co-ordinate clauses that are joined by and or but only if the clauses have more than ten words each, or if there are commas within the clauses.