Pair noun: - A pair noun is plural in form and takes a plural verb. Example: Trousers, glasses, scissors, etc. - Pair noun এর পরে সবসময় verb এর plural form হয়।
• কিছু word দেখতে plural হলেও singular হিসেবে ব্যবহৃত হয়। যেমন: 1) Names of subjects - Mathematics, Physics, Electronics, etc. 2) Names of common diseases - Measles, Mumps, Rickets. 3) Names of some games - Billiards, Draughts. 4) The word ‘News’. 5) Ethics (নীতিবিদ্যা) singular হিসেবে বুবহৃত হয়।
Source: 1. Applied English Grammar & Composition by P. C. Das. 2. A Passage to the English Language by S.M. Zakir Hussain.