Semicolons
Colons
Hyphens
Dash
100

I have a big test tomorrow I can’t go out tonight.

I have a big test tomorrow; I can’t go out tonight.

100

The play begins at 730 p.m.

The play begins at 7:30 p.m.

100

I have to eat gluten free foods.

I have to eat gluten-free foods.

100

The man he was  from Ames, Iowa, arrived.

The man---he is from Ames, Iowa,---arrived.

200

 I have one goal to find her.

 I have one goal; to find her.

200

School starts at 800 a.m.

School starts at 8:00 a.m.

200

Daisy’s brother in law is a principle.

Daisy’s brother-in-law is a principle.

200

The television news crew the most popular one came to report on the weather.

The television news crew---the most popular one---came to report on the weather.

300

We left home separately however, we all arrived at the same time.

We left home separately; however, we all arrived at the same time.

300

It was 1015 p.m. when we finally arrived.

It was 10:15 p.m. when we finally arrived.

300

This rock hard cake is impossible to eat.

This rock-hard cake is impossible to eat.

300

The weather my grandmother always comments on the weather turned sunny.  

The weather---my grandmother always comments on the weather---turned sunny.  

400

Everyone was tired nevertheless, we enjoyed the show.

Everyone was tired; nevertheless, we enjoyed the show.

400

The following student are in the cast Gretchen, Steven, Yuri, and Dominique.

The following student are in the cast: Gretchen, Steven, Yuri, and Dominique.

400

There are twenty five floats and eight bands in the parade.

There are twenty-five floats and eight bands in the parade.

400

The apple tree my moms favorite tree in the yard is about to die.

The apple tree---my moms favorite tree in the yard---is about to die.

500

Teddy Roosevelt was the youngest man to become president John Kennedy was the youngest man to be elected president.

Teddy Roosevelt was the youngest man to become president; John Kennedy was the youngest man to be elected president.

500

For math class you need calculator, piece of paper, pencil, and notes

For math class you need: calculator, piece of paper, pencil, and notes

500

My moms favorite thing to pick up on the way to work is chocolate covered donuts and coffee.  

My moms favorite thing to pick up on the way to work is chocolate-covered donuts and coffee.  

500

The show my sister is so excited to see the show is about to begin.

The show---my sister is so excited to see the show---is about to begin.