คำแนะนำของผู้เขียน
In the present perfect tense we make passive verb forms by putting has/have + been before the past participle form of the verb.
Sentences are given in the active voice. Change them into the passive.
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คำแนะนำของผู้เขียน
In the present perfect tense we make passive verb forms by putting has/have + been before the past participle form of the verb.
Sentences are given in the active voice. Change them into the passive.