Jill fetches water every day; Jack accompanies her only on Saturdays.2b. A semicolon separates items in a list when the items have internal punctuation.
The days of summer never seem to to last long enough; even the dog days of summer seem to come and go before a person has a chance to notice them.
We sent copies of the memo to Walla Walla, Washington; Traverse City, Michigan; and New Brunswick, New York.2c. A semicolon and a coordinate conjunction are used to separate two main clauses when one of the main clauses has internal punctuation
The president spoke to the press on Monday, the day after he decided he wouln't seek a second term; on Wednesday, the day after he changed his mind; and on Friday, when the poles showed a down turn in his popularity rating.
They drove to Ottawa that Tuesday morning; and, when they arrived at the courthouse, they nervously sought a parking place.
Fifty-six Thunderbirds are hard to to find these days; but you can buy facsimiles, miniatures with amazing detail, from the Franklin Mint.