28 Unless you keep calm down, you'll fail in your driving test.
=> If + S + V (s/es), S + will + V.
29 Luckily, a fine wasn't paid by Peter.
=>S + was/ were + V + by O.
30 Because Minh was ill, he couldn't go to school.
31 If I were you, I would study harder on pronunciation.
=> If + S+V ed , S + would + V ( s/es)
32 Lan said that she wished she could take part in the trip to England the following year.
33 If I were you, I would spend more time on study.
=> If + S+V ed , S + would + V ( s/es)
34 As long as he arrives before 7 o'clock, she can meet him.
35. So far, I have written ten pages of the report.
=> S + have/ has + V3