Look at this sentence and the words in brackets after it.
My dog has a very long __________. (happy, wags, tail)
The only word that could fill in the gap is tail, because it is a noun, or naming word.
Now look at this sentence and the words in brackets.
Priya wore her __________ dress to the party. (new, shoes, dances)
This time, the correct word is new, because it is an adjective, or describing word.
In this worksheet you can practise choosing the correct word to complete a sentence.