- Subject যদি 3rd person singular number হয় à¦à¦¬à¦‚ verb যদি present indefinite tense ঠথাকে তাহলে verb à¦à¦° শেষে s বা es যোগ করতে হয়।
Incorrect: The boy (play) football.
Correct: The boy plays football.
- Universal truth (চিরনà§à¦¤à¦¨ সতà§à¦¯), habitual fact (অà¦à§à¦¯à¦¾à¦¸à¦—ত করà§à¦®) বà§à¦à¦¾à¦²à§‡ present indefinite tense হয়।
Incorrect: The sun rise in the East.
Correct: The sun rises in the East.
- কোন সময়ের উলà§à¦²à§‡à¦– থাকে না à¦à¦®à¦¨ sentense ঠযদি always, regularly, sometimes, often, generally, daily, everybody, occationall, usually, normally ইতà§à¦¯à¦¾à¦¦à¦¿ থাকে present indefinite tense হয়।
Incorrect: He always disturb the class.
Correct: He always disturbs the class.
- Be verb বিহীন বাকà§à¦¯à¦•à§‡ negativeবা interrogative করতে হলে tense ও subject আনà§à¦¸à¦¾à¦°à§‡ do, does বা did বà§à¦¯à¦¬à¦¹à¦¾à¦° করতে হয়।
Incorrect: The girl not sing a song.
Correct: The girl does not sing a song.
- Interrogative Sentence-ঠযদি what, when, where, who, which, whose, why, how থাকে তাহলে subject à¦à¦° পূরà§à¦¬à§‡ tense ও person আনà§à¦¯à§Ÿà§€ to be verb যোগ করতে হয়। to be verb না থাকলে these ও person আনà§à¦¯à§Ÿà§€ do/does বা did বসে।
Incorrect: What you do now?
Correct: What are you doing now?
- বরà§à¦¤à¦®à¦¾à¦¨à§‡ চলছে à¦à¦®à¦¨ কোন কাজ বà§à¦à¦¾à¦¤à§‡ verb à¦à¦° present indefinite Tense হয়। à¦à¦•à§à¦·à§‡à¦à§‡ বরà§à¦¤à¦®à¦¾à¦¨ সময়ের(now, at that monent ইতà§à¦¯à¦¾à¦¦à¦¿) উলà§à¦²à§‡à¦– থাকে।
Incorrect: He sing a song now.
Correct: He is singing a song now.
- কোন Sentence-ঠযদি has, have/had থাকে তাহলে verb à¦à¦° past participle হয়।
Incorrect: He has do the work.
Correct: He has done the work.
- Just, just now, already, yet, ever,lately, recently থাকলে present perfect tense হয়।
Incorrect: I see him recently.
Correct: I have seen him recently.
- অতীà§à¦¤ নিরà§à¦¦à§‡à¦¶à¦• শবà§à¦¦ বা যেমন (yesterday, ago, long, since, last, night ইতà§à¦¯à¦¾à¦¦à¦¿) থাকলে verb à¦à¦° past tense হয়।
Incorrect: I come home yesterday.
Correct: I came home yesterday.
- No sooner had……. than, scarcely had when, hardly had before থাকলে পà§à¦°à¦¥à¦® বà§à¦°à§à¦¯à¦¾à¦•à§‡à¦Ÿà¦° verb কে past participle করতে হয় à¦à¦¬à¦‚ দà§à¦¬à¦¿à¦¤à§€à§Ÿ বà§à¦°à§à¦¯à¦¾à¦•à§‡à¦Ÿà§‡à¦° verb কে past form করতে হয়।
Incorrect: No sooner had he see the police than hfe run away.
Correct: No sooner had he seen the police then he ran away.
- Since à¦à¦° ১ম অংশ past indefinite/ present perfect tense হলে পরের অংশ past indefinite tense হয়।
Incorrect: It is many years since i come to Dhaka.
Correct: It is many years since i came to Dhaka.
- Since à¦à¦° ১ম অংশ past indefinite হলে পরের অংশ past perfect করতে হয়।
Incorrect: It was many years since they first meet.
Correct: It was many years since they had first met.
- Before à¦à¦° ১ম অংশ past perfect tense হলে à¦à¦° পরের অংশ past indefinite tense হয়। à¦à¦¬à¦‚ after à¦à¦° ১ম অংশ past indefinite tense হলে à¦à¦° পরের অংশ past perfect tense হয়।
Incorrect: The patient die before the doctor came.
Correct: The patient had died before the doctor came.
Incorrect: The patient died after the doctor come.
Correct: The patient died after the doctor had come.
- যদি কোন simple sentence ঠদà§à¦Ÿà¦¿ verb থাকে তাহলে পরের verb à¦à¦° সাথে ing যোগ করতে হয় অথবা verb টির পূরà§à¦¬à§‡ to বসে। উলà§à¦²à§‡à¦–à§à¦¯ উদà§à¦¦à§‡à¦¶à§à¦¯ বà§à¦à¦¾à¦²à§‡ verb à¦à¦° আগে to বসে।
Incorrect: I saw him go.
Correct: I saw him going.
- Had better, had rather, would better, would rather, let, must, need, dare ইতà§à¦¯à¦¾à¦¦à¦¿à¦° পর পà§à¦°à¦¦à¦¤à§à¦¤ verb à¦à¦° present form হয় à¦à¦¬à¦‚ পà§à¦°à¦¦à¦¤à§à¦¤ verb à¦à¦° পূরà§à¦¬à§‡ to থাকলে to উঠে যায়।
Incorrect: You had better to go home.
Correct: You had better go home.
Incorrect: I will not let you to enter the classroom.
Correct: I will not let you enter the classroom.
- Sentence à¦à¦° শà§à¦°à§à¦¤à§‡ would that থাকলে subject à¦à¦° পরে could বসে à¦à¦¬à¦‚ পà§à¦°à¦¦à¦¤à§à¦¤ verb à¦à¦° present form বসে।
Incorrect: Would that i go to college.
Correct: Would that I could go to college.
- To be à¦à¦¬à¦‚ having à¦à¦° পর মূল verb à¦à¦° past participle হয়।
Incorrect: He ran away having take the money.
Correct: He ran away having taken the money.
- পà§à¦°à¦¦à¦¤à§à¦¤ verb à¦à¦° পূরà§à¦¬à§‡ mind, worth, without, past, cannot help, could not help, with a view to, look forward to, would you mind, get usd to à¦à¦¬à¦‚ preposition থাকলে verb à¦à¦° সাথে ing যোগ করতে হয়।
Incorrect: I went to the library with a view to read there.
Correct: I went to the library with a view to reading there.
Incorrect: He never thought of go to cinema.
Correct: He never thought of going to cinema.
- It is high time, it is time, wish, fance ইতà§à¦¯à¦¾à¦¦à¦¿ থাকলে মূল verb à¦à¦° past form হয়।
Incorrect: It is high time he change his bad habits.
Correct: It is high time he changed his bad habits.
Incorrect: I wish I sing a song.
Correct: I wish I sang a song.
- As though, as if, wish থাকলে to be verb à¦à¦° জায়গায় were বসে।
Incorrect: He talks as if he to be leader.
Correct: He talks as if he were leader.
- As though/as if à¦à¦° ১ম অংশ present indefinite tense হলে পরের অংশ past indefinite tense হয়। আবার ১ম অংশ past indefinite tense হলে পরের অংশ past perfect tense হয়।
Incorrect: He speaks as though he know everything.
Correct: He speaks as though he knew everything.
Incorrect: She proceeded as though I not speak.
Correct: She proceeded as though I had not spoken.
- Every, each, one of ইতà§à¦¯à¦¾à¦¦à¦¿ থাকলে পà§à¦°à¦¦à¦¤à§à¦¤ verb à¦à¦° singular হয়।
Incorrect: Everybody love flowers.
Correct: Everybody loves flowers.
- Can, could, may, might, shall, should, will, would ইতà§à¦¯à¦¾à¦¦à¦¿ auxiliary verb থাকলে মূল verb টি present form হবে।
Incorrect: You may came tomorrow.
Correct: You may come tomorrow.
- Am, is, are, was, were ইতà§à¦¯à¦¾à¦¦à¦¿ to be verb- à¦à¦° পর passive voice à¦à¦° কà§à¦·à§‡à¦à§‡ main verb-à¦à¦° past participle হয়।
Incorrect: The book was steal.
Correct: The book was stolen.
- If + Present Indefinite Tense + Future Indefinite Tense
If clause টি যদি Present Indefinite Tenseহয় তাহলে অপর clause টি Future Indefinite Tense হবে।
Incorrect: If he works hard, he shine in life.
Correct: If he works hard, he will shine in life.
- If + Past Indefinite + Past Conditional (Subject + would /might/could + মূল verb à¦à¦° present form).
Incorrect: If he came, I go.
Correct: If he came, I would go.
Incorrect: I would help him if he want.
Correct: I would help him if he wanted.
- If clause টি Past Perfect Tense-ঠথাকলে পরের অংশটির (Principal Clause) subject à¦à¦° পরে might have/ would have/ could have বসে à¦à¦¬à¦‚ verb টির past participle হয়।
Incorrect: If i had seen him, I tell him the matter.
Correct: If i had seen him, I might have told the matter.
- Had + Subject + Past participle দà§à¦¬à¦¾à¦°à¦¾ কোন sentence শà§à¦°à§ হলে অপর টি perfect conditional হয়।
Incorrect: Had i been a king, I help the poor.
Correct: Had i been a king, I would help the poor.
- দà§à¦Ÿà¦¿ clause à¦à¦° মধà§à¦¯à§‡ যেটিতে If + Subject + were থাকে অপরটি (principal clause) subject à¦à¦° পরে might/would/could বসে। à¦à¦¬à¦‚ main verb à¦à¦° present form হয়।
Incorrect: If I were a bird, I fly.
Correct: If i were a bird, I would fly.
- কোন কাজ পূরà§à¦¬à§‡ শà§à¦°à§ হয়ে à¦à¦–নও চলতেছে বà§à¦à¦¾à¦²à§‡ verb à¦à¦° Present perfect continious tense হয়।
Incorrect: I read for three hours.
Correct: I have been reading for three hours.
- Have, has, had, got, get, cause, make ইতà§à¦¯à¦¾à¦¦à¦¿ verb গà§à¦²à¦¿ যখন কোন sentence à¦à¦° মধà§à¦¯à§‡ Causative verb à¦à¦° কাজ করে তখন main verb টি past participle হয়।
Incorrect: I got the work do by him.
Correct: I got the work done by him.
- Lest যà§à¦•à§à¦¤ sentence ঠlest à¦à¦° পরে যে subject থাকে তার পরে should/ might বসে।
Incorrect: He ran fast lest he miss the train.
Correct: He ran fast lest he should miss the train.
- While à¦à¦° ঠিক পরেই যে verb থাকে তার সাথে ing যà§à¦•à§à¦¤ করতে হয়। কিনà§à¦¤à§ while à¦à¦° পরে subject থাকলে while à¦à¦° অংশটি Past Continuous Tense হয়।
Incorrect: While walk in the garden, snake bit him.
Correct: While walking in the garden, a snake bit him.
Incorrect: While he was walk in the garden, a snake bit him.
Correct: While he was walking in the garden, a snake bit him.
- কোন sentence à¦à¦° verb তার subject à¦à¦° number à¦à¦¬à¦‚ অনà§à¦¯à¦¾à§Ÿà§€ বà§à¦¯à¦¬à¦¹à§ƒà¦¤ হয়। Subject singular হলে verb singular হয় à¦à¦¬à¦‚ subject plural হলে verb plural হয়।
Incorrect: The color of his eyes be blue.
Correct: The color of his eyes is blue.
- à¦à¦•à¦‡ দৈরà§à¦˜à§à¦¯, পরিমাণ বা সà§à¦¥à¦¾à¦¨ বà§à¦à¦¾à¦²à§‡ subject দেখতে plural হলেও verb singular হয়।
Incorrect: Fifty miles be a long way.
Correct: Fifty miles is a long way.
- কোন sentence যদি there দà§à¦¬à¦¾à¦°à¦¾ শà§à¦°à§ হয় à¦à¦¬à¦‚ তার পর যদি singular number থাকে তাহলে there à¦à¦° পরে singular verb বসে। à¦à¦¬à¦‚ plural number থাকলে there à¦à¦° পর plural verb বসে।
Incorrect: There be a high school in our village.
Correct: There is a high school in our village.