Поставьте глаголы в скобках в нужную форму big: hi, bug. i have just (come) home. bug: hi, big. have you (see) johnny? big: no, he has not (come) back yet. he has (go) back in time. bug: what? we, computer viruses, have never (be) back in time, and this silly boy has (go) there? big: right. we have never (speak) to people from the old times. we have never (wear) old costumes.