Present passive versus past passive

Exercise 01 present passive or past past passive

Exercise 02 present passive or past passive

Exercise 03 present passive or past passive

Exercise 04 present passive or past passive

Exercise 05 present passive or past passive

Exercise 06 present passive or past passive

Exercise 07 present passive or past passive

Exercise 08 present passive or past passive

Exercise 09 present passive or past passive

Exercise 10 present passive or past passive

Exercise 11 present passive or past passive

Exercise 12 present passive or past passive

Exercise 13 present passive or past passive

Exercise 14 present passive or past passive