Singular & Plural    Subject & Verb Agreement    Grammar Help    Game Tips:

- The noun 'bird' is singular since it refers to one bird.
- The noun 'birds' is plural since it refers to more than one bird.

- If the subject of a sentence is singular, then the verb must also be singular.
- If the subject of a sentence is plural, then the verb must also be plural.

- In the sentence 'A bird sings in the tree.', the subject 'bird' is singular, and the verb 'sings' is singular.
- In the sentence 'Birds sing in the tree.', the subject 'Birds' is plural, and the verb 'sing' is plural.

- Notice that adding an 's' to a noun can make it plural, but for verbs it's different.

- Most plural nouns end in an 's' or an 'es'. Examples: toys, students, cars, glasses, buses, etc...
   Exceptions include: teeth, feet, children, geese, etc...

- In contrast, an 's' added to the present tense of a verb often makes the verb singular.
   Here are 2 sample sentences: Children learn. A child learns.

- Your Score Report appears after you have made 8 choices.
- Your Game Score is reduced by the number of pterodactyl hits.

- To slow the game speed repeat tap/click on the word Slider.
- To increase the game speed repeat tap/click on the word Math.
- Speed can also be adjusted with a keyboard's - and + keys.

- Refresh/Reload the web page to restart the game.
- Adjust the sound level of media on your device.



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