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)
i learned to_ swim when i was five
when i was five i could _ swim
i cannot _ play tennis , but i can _ play football
i like _to play football
i want _to play football
who taught you _to play football ?
let's _ play football!
you must not _ play football here
who wants _to use the computer now?