The quality of the oranges was/were not  good.

This box of bangles belongs to her

His proficiency in French languages is/are remarkable.

The Mayor, with his councilors, has/ have arrived. 

The introduction of tea and coffee and such other beverages has/have not been without some effect. 

*(....+ of: before of is noun) -generally

*The 's' form of the verb is always singular.

You/I +Plural verbs.

(They like, He likes

Sales rise from 2015 till now. 

*--Try to connect with Task 1....*

Rise, Falls, plummet, surge, diverges, intersect, depict, illustrate, decline,  compare, climb, develop, 


Population in country B has/have declined tremendously.

Difference of tea and coffee are/is negligible