Here are some sentences written without commas. On first reading, you likely will be scratching your head. But read each sentence again and put in a comma; instantly, your confusion will be lifted.
- Just as we were ready to leave my brother drove up in his new convertible.
- While I watched my uncle assembled the ingredients for a salad.
- After he shot the arrow always hit the target.
- If you can afford to visit New Orleans at Mardi Gras.
- They recognized the document was not complete and announced it could not have been given the situation and time.