Question

Выберите правильную форму инфинитива: Why didn't you buy the coat? You ought to (buy, have bought) it, the coat
fitted you very well. You should (try, have tried) on another suit, this one is too big
for you. 2. I think N. himself should (take, have taken) part in the talks, You
should (take, have taken) part in the conference, you were in Moscow at that
time. 3. You should (offer, have offered) her your help, she needed it. You should
(hclp, have helped) Ann with her English now, 4. You should (call, have called)
on Peter, he isn't well. You should (call have called) on Mary, when you were in
Petersburg, 5. You ought to (read, have read) this novel, very interesting, You
should (read, have read) the novel when you were preparing for your examination.