Fill in the blanks with correct grammar structure of present perfect simple (S+has/have+V3), past perfect simple (S+had+V3) or past perfect continuos (S+had been+Ving).
Fill in the blanks with correct grammar structure of present perfect simple (S+has/have+V3), past perfect simple (S+had+V3) or past perfect continuos (S+had been+Ving).