Rule-1: If the Subject is singular, the verb will be singular:
- Singular Subject – Singular verb
- plural subject – plural verb
Example: i) Mahei is a meritorious student. ii) Vehicles create traffic jam.
Rule-2: After a preposition, the verb will take -ing:
Preposition: (in, at, on, of, for, from, by, with, without, before, after, into, across, about, to, among, over, under, between, behind etc. ) + noun / (verb + ing.)
Example: i) Television is an important source of entertainment or entertaining. ii) Children are fond of using mobile phone.
Rule-3: After some phrases, a verb will take -ing:
To + V1 but (Addicted to, adverse to, Be used to, with a view to, look forward to, get used to, be accustomed to) + (verb + ing)
Example: i) We should look forward to getting a job. ii) Shamim tried to join the Navy. iii) We are looking forward to hearing from you. iv) I went to the stage with a view to dancing. v) People of Bangladesh are used to eating by their hands.
- I – am
- He, She, It – is
- We, They, You – are
- 3rd person singular sub -Has
- 3rd person plural sub – Have
Example: i) I am Sohel. ii) He is driving a car. iii) We are going home. iv) They have won the game. v) He has eater rice.
Rule-5: After the modal auxiliary verb, the base form of verbs will be used:
After Modal auxiliary verb (Can, Could, may, might, shall, should, will, would, must, used to, have to, need, dare, ought to) + V1 (base form of the verb)
Example: i) We need to be more conscious about Covid-19 ii) Can I please borrow your pen? iii) Police must do their duties wearing PPE. iv) We should stat home and maintain social distancing.
Rule-6: After some phrases, we use the present progressive tense:
If a sentence contains (now, at this moment, at present, day by day, increasingly, rapidly, gradually) present continuous tense will be used.
Example: i) Why are doing your homework at this moment. ii) Corona virus is spreading rapidly at present.
Rule-7: After some phrases, we use the simple past tense:
If we get (yesterday, one day ago, once, last, after a few days, last night, once upon a time, in the past, previously) in a sentence, past Indefinite Tense will be used.
Example: i) Once upon a time, there was a man named Adu Vai who failed in class vii seven times. ii) Forty people died in Covid-19 one day ago.
Rule-8: After some phrases, we use the present perfect tense:
If we get (just, just now, already, yet, ever, lately, recently, immediately) in a sentence, present perfect tense will be used.
Example: i) This car has imported from Japan recently. ii) We have taken her to the hospital immediately after the accident.
Rule-9: mind, worth, without, get used to + V1 -ing
After (mind, worth, without, get used to, got used to, be used to, cannot help couldn’t help, would you mind) + Verb will take -ing at the end
Example: i) Would you mind having cup of tea? ii) He can’t help smoking.
Rule-10: had better, had rather, would better, would rather + V1
After (had better, had rather, would better, would rather, let, must, need, dare, make, would sooner, had sooner) + Base form of verb will be used.
1. You had better do the work right now. 2. We would rather help the farmer of our region.
Rule-11: It is time, It is high time, wish, fancy – past indefinite
If we get (it is time, it is high time, wish, fancy) in a sentence, the tense of the sentence will be past indefinite tense.
Example: i) I fancy I turned pale. ii) It is high time we developed our country. iii) It is time we took our preparation for the exam.
Rule-12: Lest ……………. should
If a sentence contains lest, the other part will take ‘should’ after the subject.
Example: i) Walk fast lest you should miss the train. ii) Read attentively lest you should fail in the exam. iii) Work hard lest you should fail in the exam.
Rule-13: If, wish, as if, as though – unreal past = were
If a sentence contains (if, wish, as if, as though), the verb will be unreal past. That means after subjects we have to use ‘were’.
Example: i) If I were a doctor, I could treat the poor. ii) I wish I were a king. iii) If I were an engineer, I could innovate new things. iv) He talks as if he were insane.
Rule–14: Present Indefinite / present perfect tense + since + past Indefinite tense
If a sentence contains since in the middle and the 1st part is present indefinite tense or present perfect tense, the other part will be past indefinite tense.
Example: i) It is many years since I came to Dhaka. ii) My years have passed since I had met
Rule-15:past indefinite tense + since + past perfect tense.
If a sentence contains since in the middle and the 1st part is past indefinite tense, the other part will be past perfect tense.
Example: Many years passed since I had seen her last. I went to Satkhira since I had been a university student. I met you since I had completed the PSC exam.