Ответ:
1) He would not have had a headache if he had gone to bed earlier. 2) If they had set out earlier, they wouldn’t have missed the train. 3) I wouldn’t have found the injection painful if the nurse had been gentle.
Это третий тип условных предложений: в придаточной части используется Past Perfect, а в главной — would have + Participle II.
Ответ: 1) would not have had; 2) had set out; 3) had been.
