Rule 1:
It is time + for + personal object + to + verb (present form) + ……….
Examples:
It is
time for us to attack the enemy.
It is
time for them to start the work.
Rule 2: It is time + subject + verb
(past form) + ………
Examples:
It is
time we went home.
It is
time they earned their livelihood.
Rule 3:
Present Indefinite + as if/as though + past indefinite.
Examples:
He
tells the story as if he knew it.
He
runs fast as though he were a mad man.
They
donate money as if they were rich man.
Rule 4:
Past Indefinite + as if/as though + past perfect.
Examples:
He
told the story as if he had known it.
She
proceeded as though I had not spoken.
Rule 5: If +
Present Indefinite + future indefinite tense.
Examples:
If it rains, we shall not go.
If he wants, I shall help him.
If you play in the rain, you will catch cold.
Rule 6: If +
Past Indefinite + would/could + verb (present form).
Examples:
If he came, I would go.
If they wanted, we would help him.
If I had a typewriter, I would type the letters.
Rule 7: If +
Past Perfect + would have/could have + verb (past participle form).
Examples:
If I had seen him, I could have told him the news.
If they had started earlier, they could have got the train.
If she had tried, she would have succeeded.
Rule
8: Had + Verb + Past Participle Form + would have/could have + verb (past
participle form).
Examples:
Had I seen him, I would have given him the news.
Had he wanted, they would have helped him.
Had I possessed a vast property, I would have established a
college.
Rule
9: If + Subject + were + would
+ verb (present form).
Examples:
If I
were a king, I could help the poor.
If I
were you, I would not do this.
Rule 10: Present/Future Indefinite Tense + when/after + present
perfect.
Examples:
You can go to sleep when, you have taken your dinner.
You will return me the book after, you
have finished reading it.
He will swim after, he has changed his dress.
Rule 11:
Would that/ I wish + were + ……
Examples:
I
wish I were a king.
Would
that he were alive today.
Rule 12: Would you mind + verb(ing)
+ …….?
Examples:
Would
you mind taking a cup of tea?
Would
you mind opening the door?
Rule 13:
It is time + to + verb (present form) + ……….
Examples:
It is
time to start the work.
It is
time to leave the place.
Rule 14:
……so much/many + …. + that + 1st subject + can/cannot + …….
Examples:
You
have so much intelligence that you can get a job.
There
are so many problems that I cannot solve them.
You
have so much money that you can buy a ticket.
Rule 15:
……too + adjective + to + verb (present form).
Examples:
The
man is too old to work.
You
are too short to touch the roof.
He is
too dishonest to speak the truth.
Rule 16:
……too + adjective/adverb + for + personal object + to + verb (present form).
Examples:
The
load is too heavy for me to carry.
The
problem was too hard for them to solve.
It is
too interesting for us to overlook.
Rule 17:
……so + adjective/adverb + that + 1st subject + cannot/could not
+ verb (present form).
Examples:
The
man was so ill that he could not move.
Many
farmers are so poor that they cannot cultivate their land.
The
sailors’ throats were so dry that they could not speak.
Rule 18:
……so that + 1st subject + can/could/may/might + verb (present form)
+ …………
Examples:
The
boy reads more so that he can make a good result.
We
eat food so that we can get strength.
He
works hard so that he can earn more money.
Rule 19:
……in order that + 1st subject + can/could/may/might + verb (present form)
+ …………
Examples:
He
went to a shop in order that he could sell her shirt.
I
saved some money in order that I could buy some books.
They
came to me in order that they could see me personally.
Rule 20:
……lest + 1st subject + should + verb (present form) + …………
Examples:
He
ran away lest he should be seen.
Read
diligently lest you should fail in the examination.
He
walked fast lest he should reach school in time.
Rule 21:
……would rather/sooner + verb + than + verb/noun.
Examples:
I
would rather die than beg.
He
would rather drink tea than coffee.
Rule 22:
……had better + verb (present form) + ……….
Examples:
I had
better ring him at once.
You
had better leave the place.
He
had better go home.
Rule 23:
……how + to + verb (present form) + …..
Examples:
He
doesn’t know how to play cricket.
They
knew how to talk.
Do
you know how to drink tea?
Rule 24:
Without + verb(ing) + (meaningful negative sentence).
Examples:
Without
reading more you cannot pass.
Without
taking physical exercise we cannot keep our body fit.
He
will not be able to write well
without writing much.
Rule 25:
By + verb(ing) + (meaningful affirmative sentence).
Examples:
By
reading more we can learn more.
By
drinking clean water you can keep your body fit.
We
can get power
by eating rice and bread.
Rule 26:
……provided/provided that/providing that/if + (meaningful sentence).
Examples:
I
will agree to go providing that my expenses are paid.
He
will shine in life provided that he works hard.
The
plane will take off in time provided the weather is good.
Rule 27:
……since/as/because + (meaningful sentence).
Examples:
As he
behaved rough, he was punished.
Everybody
loves him because, he is honest.
Crops
did not grow well since there was drought.
Rule 28:
……though/although/in spite of/despite of + (alternative meaningful sentence).
Examples:
Though
he is poor, he is honest.
In
spite of his poverty, he helps the poor.
Although
he is rich, he does not help the poor.
Rule 29:
……unless/if…not + (meaningful affirmative sentence).
Examples:
Unless
you read attentively, you will fail.
If
you not start at once, you will miss the train.
Rule 30:
……instead of/in lieu of + (meaningful word or sentence).
Examples:
Instead
of history
he took logic.
The
boy bought pen instead of pencils.
He
ate fish in lieu of meat.
Rule 31:
……because of/on account of/owing to/due to + (meaningful word or sentence).
Examples:
Everybody
loves him because of his honesty.
On
account of his illness he could not go to the college.
The
writer dared no drive
due to fog.
Rule 32:
……no sooner…than/scarcely had…when/hardly had…when + past indefinite tense.
Examples:
No
sooner had I gone out than he came.
Scarcely
had we reached the station when the train left.
Hardly
had he reached the college when the examination began.
Rule 33:
……let alone + (meaningful word or phrase).
Examples:
He
cannot pass in third division, let alone first division.
I
cannot swim a kilometer, let alone ten kilometers.
The
old farmer cannot visit a small town, let alone a big town.
Rule 34:
……the place + where + (meaningful affirmative sentence).
Examples:
Jessore
is the place where he was born.
A
railway station is a place where trains stop.
Paris
is the city where UNESCO headquarter is.
Rule 35:
……the time/year/day + when + (meaningful affirmative sentence).
Examples:
Saturday
is the day when the week begins.
1971
is the year when Bangladesh became independent.
10 P.
M. is the time when we go to bed.
Rule 36:
……that + (meaningful sentence).
Examples:
I
know that he is a doctor.
He
knows that my address is Jessore.
Rule 37: …....feel, suppose, imagine,
discover, know, judge, assume + to be + adjective.
Examples:
We
assumed him to be innocent.
He
was judged to be guilty.
I
know him to be honest.
Rule 38:
…….as long as + (meaningful sentence).
Examples:
Wait
here as long as it rains.
Allah
will help us as long as our aim is honest.
Rule 39:
……till/until + (meaningful affirmative sentence).
Examples:
Wait
until, I come back.
Mother
will be nursing him till, he comes round.
Rule 40:
…….in case + (meaningful sentence).
Examples:
I
will come tomorrow in case he wants me.
I
want to stay home in case he comes.
He
will carry an umbrella in case it rains.
Thank You