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… [Continue Reading]
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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… [Continue Reading]