He was drawing a tridecagon shape.

He drew a tetradecagon shape.

He was drawing an enneadecagon shape.

He was drawing a hexadecagon shape.

He is good at drawing a heptadecagon.

He drew an octadecagon shape.

Our project is scheduled to be completed on the twenty-second day of the month.

I saved the draft.

I will turn twenty years old next year.

He was working abroad for twelve months.