Unit 1
Grammar Practice Exercise
 
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Grammar check explanation:
the present perfect tense can be used to describe an action that
began in the past and continues up to the present time.

The present perfect is formed by conjugating the present form of the verb have with the
past participle
of the main verb
.

Subject
Correct Form
of Have
Past Participle
Since + Specified Time
The organizaion has existed since 1945.

Instructions: in this exercise, put the verb in parentheses in the correct form of the present perfect
tense(for purposes of this exercise, use the present perfect tense only).

Example: The Republic of Kazakhstan (be)               a member of the United Nations since
                1992.


You will type in the correct form of the present perfect verb as shown below:
The Republic of Kazakhstan has been a member of the United Nations since 1992.


(click for exercise)
(click for further explanation of grammar)

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Grammar Practice Unit One