Вопрос по английскому языку:

II. Спишите предложения и подчеркните сказуемые, содержащие
модальные глаголы с перфектным инфинитивом.

1. The results were completely wrong
as a scientist she should have planned the experiment more carefully.

2. The personnel director might have
chosen Mike for the job, he looked happy after the interview.

3. The firm must have become
bankrupt, it is selling out its shares.

4. He couldn’t have taken part in
the negotiations. He was on a business trip at that time.

4. Let’s go and discuss the problem
with Mike. He must have finished working by now.