Exercises Sentences of Present Perfect Tense

Formula/Rule of Present Perfect Tense: (+) S + has/have + been + O/C S + has/have + V3 + O/C (-) S + has/have + not + been + O/C S + has/have + not + V3 + O/C (?) Have/has + S + been + O/C Have/has + S + V3 + O/C Find…