2 Sarah got to the station just in time to catch her train to the airport. If (she/miss) the train, (she/miss) her flight too.

2. Sarah got to the station just in time to catch her train to the airport. If she had missed the train, she would have missed her flight too.

В данном предложении использовано условное наклонение третьего типа. Первая часть сложного предложения (If she had missed the train) выражает нереальное условие в прошлом, а вторая часть (she would have missed her flight too) - результат, который мог бы произойти в прошлом, если бы условие было выполнено.

Ответ: she had missed, she would have missed