Я не уверен, т.к. не знаю, в каком ты классе.

1. If she were more careful about her diet, she won't be so stout.

2. You won't understand the rule if you don't listen to the teacher.

3. If he lives in St. Petersburg, he would go to the Hermitage every week.

4. If you spoke English every day, you will improve your language skills.

5. If he is free tomorrow, he certainly will come to our party.

6. If you get a "five", your mother will be happy.

7. If he don't pass his exam, he will not get a scholarship.

8. If he did not live in St. Petersburg, we won't meet so often.

Ответ:

1. If she were more careful about her diet, she isn't so stout.

2. You won't understand the rule if you aren't listen to the teacher.

3. If he is live in St. Petersburg, he would go to the Hermitage every week.

4. If you spoke English every day, you are improve your language skills.

5. If he is free tomorrow, he certainly is come to our party.

6. If you get a "five", your mother is happy.

7. If he isn't pass his exam, he will not get a scholarship.

8. If he did not live in St. Petersburg, we aren't meet so often.