Multiple choice

Directions: Select the correct option and fill in the blank.

The number of trees ____ gradually decreasing.

  1. is

  2. are

  3. has

  4. will
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

(2) is incorrect because the phrase “The number” as a subject is used in the singular sense and as such a singular verb is needed whereas (2) is used for a plural subject or with the second person personal pronoun. (3) and (4) are incorrect because they are the helping verbs and as such they must have a main verb, which is not there or if 'decreasing is considered to be the main verb then it belongs to the continuous (progressive) tense, where (3) and (4) are not used.

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