Apostrophe Placement in Time Expressions Game

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Apostrophe Placement in Time Expressions ("Tetris" Game)

Here is an interactive game to help you learn about apostrophe-placement in time expressions (e.g., "two days' notice"). To keep you on your toes, you will occasionally see a question not related to a time expression (e.g., "the baker's shop").

• Each falling question has a correct apostrophe and a wrong one.
• Click on the correct one to score points and to make the question disappear.
• If you click on the wrong one (or do not click), the question will fall to the bottom.
• The wrongly answered or unanswered questions will start to build up.
• When the screen is full, you're toast.
• Good luck!

(The harder the level, the more points you score per correct answer.)

Tip: If the game is playing slowly, you can use the controls below to remove the background text and image to speed up the game.

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More Tests on Apostrophes

Here are five more tests related to apostrophe placement:

• (1) Apostrophe Exercise (General Use). This apostrophe exercise contains 28 dual-choice questions on general apostrophe use.
• (2) Apostrophe Exercise (General Use). This apostrophe exercise contains 18 multiple-choice questions on the general use of apostrophes.
• (3) Apostrophe Exercise (Possession). This apostrophe exercise contains 18 multiple-choice questions on apostrophes for possession.
• (4) Possessive Case Exercise. This exercise contains 18 multiple-choice questions on the possessive case in general, covering apostrophes for possession.
• (5) Apostrophe Exercise (Temporal Expressions). This apostrophe exercise contains 20 multiple-choice questions on the use of apostrophes in temporal expressions (e.g., a day's pay, two years' insurance).