Поделитесь своими знаниями, ответьте на вопрос:
Поместите в правильную форму present perfect 1) (they/ever/eat) lunch at bailey's theme park? 2) if you (not/packed/yet) your suitcase, then i will do it for you. 3) john isn't here. he (go) shopping. 4) i (already/read) the letter.
2. haven't packed yet
3. has gone
4. have already read