1. Subject singular হলে verb singular হবে এবং Subject plural হলে verb plural হবে।
Ex. 1. The people of Bangladesh are very poor.
2. She is very pretty.
2. Subject third person singular number হলে verb এর সাথে s/es যুক্ত হয়।
Ex. She watches T.V. Rahim works in the garden every morning.
3. দুইটি Singular subject যদি and দিয়ে যুক্ত হয় তাহলে verb plural হয়।
Ex. Jack and Rose are friends.
4. Each, ervery, everyone, everything, any, anyone, anything, some, someone, something এর পরে subject singular হয়।
Ex. Everybody is not present there.
5. Either........or, Neither.........nor এর পরের subject অনুযায়ী verb হয়।
Ex. Neither you or she is beautiful.
6. Collective noun ( Army, team, crew, committee etc.) এর পরে verb singular হয়।
Ex. The committee has issued its decision.
7. Not only................. but also এর শেষের subject অনুযায়ী verb হয়।
Ex. Not only Anik but also his friens are going there.
8. Relative pronoun (who, which, that) এর পুর্বের noun/pronoun অনুযায়ী verb হয়।
Ex. He is not the man who has lost his merits.
9. Subject যদি Gerund, Infinitive হয় তাহলে verb singular হয়।
Ex. Walking is god for health.
10. As well as, along with, with, togather with, and not, in addition to, accompanied by এর পরের subject অনুযায়ী verb হয়।
Ex. Ali as well as his brother has come here.
11. Preposition এর পরে verb+ing/noun হয়।
Ex. Without knowing, I will not blame him.
12. Universal truth/ habitual fact বুঝালে Simple present Tense/present indifinite হয়।
Ex. The earth moves round the sun.
13. Bare infinitive ( let, make, see, behold, watch, hear, bid, need, dare, feel, cannot but, use to) এর পরে verb এর present/base form হয়।
Ex. He makes me do the work.
14. Modal auxiliary ( can, could, may, might, shall, should, will, would, ought to, must) এর পরে verb এর present/base form হয়।
Ex. It may rain today.
15. Had rather, had sooner, had better, would rather, would better, must, let, need এর পরে verb এর present/base form হয়।
Ex. I had better go home by this time.
16. Simple sentence এ দুইটি verb থাকলে 2nd verb verb+ing/ participle form হয়।
Ex. I saw him going.
17. It is high time, It is time এর পরে verb এর past form হয়।
Ex. It is time you left the room.
18. I wish, I fancy এর পরে simple past হয়।
Ex. I wish I knew everything.
19. Since এর প্রথম অংশে present indefinite/ present perfect tense হলে পরের অংশ past indefinite হয়।
Ex. Many years have passed since I visited U.S.A
20. No sooner/ scarcely/ hardly had+ Subject + verb past participle form + then/ when হলে পরে past indefinite tense হয়।
Ex. No sonner had they reached the station than the train left.