The rules for regular plural nouns are: Just add an ‘s’ Add an 'es' Drop the ‘y’ and add ‘ies­’ Replace the ‘f’ or ‘fe’ ending with ‘ves’ Check your knowledge and find out ...

2. Lenovo is a top Chinese manufacturer of consumer electronics and entered the smartphone business in 2012. By offering power-packed devices at affordable prices it soon became a popular vendor ...