Conditional Sentences Rules:
1. If যুক্ত Clause এর Verb Present Tense হলে, পরবর্তী Clause-এ Sub+ will/can/may+ Verb1+ Ext.
a) If I have time, I will go to the party
Or, If I have time, I can go to the party.
Or, If I have time, I may go to the party.
More ExamplesI
If you study hard, you will pass the exam.
Or, If you study hard, you can pass the exam.
Or, If you study hard, you may pass the exam.
2. If যুক্ত Clause এর Verb Past Tense হলে, পরবর্তী Clause-এ Sub+ would/could/might+ Verb1+ Ext.
a) If I had time, I would go to your party.
Or, If I had time, I could go to your party.
Or, If I had time, I might go to your party.
More Example: If I studied hard, I would get a job.
Or, If I studied hard, I could get a job
Or, If I studied hard, I might get a job
If I studied hard, I would get a job-আমি যদি ভালভাবে পড়াশুনা করতাম তাহলে একটা চাকুরী পেতাম।
3. If যুক্ত Clause এর Verb Past Perfect Tense হলে, পরবর্তী Clause-এ Sub+ would have/could have/might have+ Verb3+ Extension
• If যুক্ত Clause এর Verb Past Perfect Tense হলে, পরবর্তী Clause-এ Sub+ would have/could have/might have+ Verb3+ Ext.
Example:If I had heard your sickness, I would have visited you.
Or, If I had heard your sickness, I could have visited you.
Or, If I had heard your sickness, I might have visited you
More Examples:If I had known your address, I could have written you a letter.
Or, If they had invited me, I might have gone to the party.
Or, If you had fallen down from the tree, you would have hurt yourself.
*যেমনঃ
If I had heard your sickness, I would have visited you- আমি যদি তোমার অসুস্থতার খবর শুনতাম তাহলে তোমাকে দেখতে যেতাম। তার মানে, অসুস্থতার খবর ও শুনিনি দেখতেও যায়নি।–অতীতকালের অবাস্তব কল্পনাকে বুঝাচ্ছে।
Zero conditional:
If + present simple, present simple.
Examples:
1. If you heat water to 100°C, it boils.
2. If you touch fire, it burns.
3. If it rains, the ground gets wet.
4. If you mix red and blue, you get purple.
5. If the sun sets, it gets dark.
6. If you don't water plants, they die.
7. If you freeze water, it turns into ice.
8. If you press the switch, the light turns on.
9. If babies are hungry, they cry.
10. If you eat too much, you feel full.
Happy learning with Noor E Alam













































