2. I would be worried, if I didn't get a teacher of English to teach me before the exam.
3. I wouldn't wear my best clothes, if I didn't go to the wedding.
4. I would have more time to do what I wanted, if I didn't go to school.
5. If I could buy a new gadget, I would be the happiest person on Earth.
6. I wouldn't complain, if I won a lottery.