A. PRESENT PARTICIPLES
6. Question: The speaker was trying to make his point was often interrupted vociferously
Answer: Incorrect
Reason: In this sentence "trying" is an adjective and not part of verb so it does not need to be "was"
7. Question: The fruits were rotting because of the moisture in the crates carrying
Answer: Correct
8. Question: Any students desiring official transcripts should complete their appropriate form
Answer: Correct
9. Question: The advertisements were announcing the half-day sale receive a lot of attention
Answer: Incorrect
Reason: "announcing" is a participal adjective rather than a verb because there is another verb "attention", so in this sentence does not need to be "were".
10. Question: The spices flavouring the meal were quite distinctive
Answer: Correct
B. PAST PARTICIPLES
6. Question: Those suspected in the string of robberies were arrested by the police
Answer: Correct
7. Question: The pizza is served in this restaurant is the tastiest in the country
Answer: Incorrect
Reason: Because the verb “is served” should be an adjective that is not followed by to be “is”.
8. Question: The courses are listed on the second page of brochure have prerequisites
Answer: Incorrect
Reason: Because the verb “are listed” should be an adjective that is not followed by to be “are”.
9. Question: All the tenants were invited to the Independences Day barbecue at the apartment complex
Answer: Correct
10. Question: Any bills paid by the first of the month will be credited to your account by the next day
Answer: Correct