1. If she spent a lot of money, so she would be poor.
2. If she didn't smoke forty cigarettes a day, so she wouldn't cough a lot.
3. If he understood Portuguese, so he would work in Brazil.
4. If they had a garden, they would grow vegetables.
5. If I had a boat, I would sail around the world.
6. If he didn't love Italy, he wouldn't go there on holiday.
В придаточном предложении (после IF) сказуемое ставим в форму Past Simple (глагол во 2 форме), а в главном предложении сказуемое ставим в форму Future in the Past (would+ глагол в 1 форме)
вот так вот ок все правильно