IXL | Commas with coordinate adjectives

Insert one comma to separate the coordinate adjectives.

Considered both a continent and a country, Australia is home to numerous native species of plants and animals. Incredibly, more than eighty percent of these remarkable unique inhabitants are found solely in Australia.

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question

Insert one comma to separate the coordinate adjectives.

The new recruits managed the easy six-mile hike without too much trouble, but they were ready to collapse by the end of the long arduous sprint that followed.

key idea

Coordinate adjectives are adjectives that describe the same noun equally. They should be separated with commas.

Answer these two questions to check for coordinate adjectives:

Does the text still sound okay when the adjective order is changed?

Does the text still sound okay when and is inserted?

If the answer to both questions is yes, then the adjectives are coordinate and should be separated with commas.

solution

Look for adjectives that are next to each other and then test whether they are coordinate adjectives.

Easy and six-mile are not coordinate adjectives, so they should not be separated with a comma. You can tell because the text does not sound right at all when the adjective order is changed or when and is inserted.

red X symbol, six-mile easy hike
red X symbol, easy and six-mile hike

Long and arduous are coordinate adjectives, so they should be separated with a comma. You can tell because the text still sounds okay when the adjective order is changed as well as when and is inserted.

green checkmark, arduous, long sprint
green checkmark, long and arduous sprint

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