Conditional Sentence

Conditional Sentence: মূলত If/Unless যুক্ত Sentence কে Conditional Sentence বলা হয়। 

Kinds of Conditional Sentence:  Conditionals মূলত চার প্রকার। যথাঃ

1. Zero Conditional

2. First Conditional

3. Second Conditional

4. Third Conditional

Zero Conditional: If যুক্ত complex sentence এর দুটো clause ই present indeginite অথবা দুটোই past  indefinite tense হলে তাকে Zero conditional বলে। এক্ষেত্রে দুটো clause এর বিষয়ই সত্য হয়প থাকে।

গঠনঃ

⇨ If + Present Indeginite, Present Indefinite

⇨ Present Indefinite + If + Present Indeginite

⇨ If + Past Indefinte, Past Indefinite

Examples:

⇨ If you hit ice, it melts.

⇨ If he has time, he visits us next Friday.

⇨ If you stay too long in the sun, your skin burns.

⇨ If it is winter, it feels cool.

⇨ If it is summer, it feels hot.

First Conditional: If clause টি present Indefinite এবং Main clause টি future indefinite tense হলে তাকে First conditional বলা হয়।

গঠনঃ

⇨ If + Present Indefinite, Future Indeginite

⇨ Future Indefinite + if + Present Indefinite

Examples:

⇨ If services are increases, taxes will probably go up.

⇨ If Alex asks me, I will email the documents.

⇨ Unless he comes, we won't have much to talk about.

⇨ If a ruby is heated, it will temporarily lose its colour.

⇨ If the parliamentary bodyapproves, the bill will be placed in the parliament.

Second Conditional: If clause টি past indefinite এবং main clause টি subject + would/could/might + verb (base form) + extension  হবে।

Structure:

⇨ If + Subject + Past form +......, sub+ would/could/might + verb (base form) +.... 

⇨ Subject + Would/could/might + Verb (base form) +.... If + subject + past form +..... 

Structure:

⇨ If + Subject + were +......, sub+ would/could/might + verb (base form) +.... 

⇨ Subject + Would/could/might + Verb (base form) +.... If + subject + were +..... 

N.B: If clause এ সর্বদাই were হবে এবং If না থাকলে condition part টি were দ্বারা শুরু হবে।

N.B:  Sentence passive হলে would be?could be/ might be + V3 হবে।

Examples:

⇨ If I were a millionaire, I would help every worth cause.

⇨ The boy would not be firgiven,  unless he apologizd sincerely.

⇨ If your sister were invite, she would come.

Third Conditional: If clause টি past perfect এবং main clause টি subject + would/could/might + have +V3 + extension হবে।

Structure:

⇨ If + Subject + had + V3, Subject + would/could/might +have + V3 +...... 

⇨ Subject / would/could/might + have + V3 +...... + if + Subject + Have + V3 +.... 

⇨ Had + Subject + had + V3, Subject + would/could/might +have + V3 +...... 

⇨ Subject / would/could/might + have + V3 +...... 

N.B: বাক্যে If না থাকলে condition part টি Had দ্বারা আরম্ভ হবে।

Examples:

⇨ This could have worked if I had been more far-sighted.

⇨ If she had painted that picture, she would have signed in the corner.

⇨