Conditional Sentences (If Clauses)
Conditional Sentences (শর্তবাচক বাক্য — If Clause)
Introductionভূমিকা
Conditional sentences (or 'if clauses') describe what happens when a condition is met — 'If it rains, we stay home.' English has four main types, from general truths to imaginary situations, and each uses its own tense pattern.
Conditional sentence বা 'if clause' দিয়ে বোঝানো হয় কোনো শর্ত পূরণ হলে কী ঘটে — 'If it rains, we stay home.' ইংরেজিতে এর চারটি প্রধান ধরন আছে, সর্বজনীন সত্য থেকে কাল্পনিক পরিস্থিতি পর্যন্ত, এবং প্রতিটির নিজস্ব tense-এর নিয়ম আছে।
Definitionসংজ্ঞা
A conditional sentence has two parts: an 'if' clause (the condition) and a main clause (the result). The tense of each part depends on how real or likely the situation is.
Conditional sentence-এর দুটি অংশ থাকে: একটি 'if' clause (শর্ত) ও একটি main clause (ফলাফল)। পরিস্থিতি কতটা বাস্তব বা সম্ভাব্য, তার ওপর প্রতিটি অংশের tense নির্ভর করে।
Bangla Explanationবাংলা ব্যাখ্যা
Conditional sentence বা if clause দিয়ে বোঝানো হয় — একটি শর্ত পূরণ হলে কী ঘটবে। চার ধরনের হয়: Zero conditional (if + present simple, present simple) — সর্বজনীন সত্য: 'If you heat ice, it melts.' First conditional (if + present simple, will + মূল verb) — বাস্তব ভবিষ্যৎ: 'If it rains, I will stay home.' Second conditional (if + past simple, would + মূল verb) — কাল্পনিক বর্তমান/অসম্ভব পরিস্থিতি: 'If I had money, I would buy a car.' Third conditional (if + past perfect, would have + past participle) — অতীতের অবাস্তব কল্পনা: 'If I had studied, I would have passed.' মনে রাখবেন — if-clause-এ কখনো will বা would বসে না, আর if-clause আগে থাকলে তার পরে একটি কমা দিতে হয়।
Examplesউদাহরণ
- If you heat water to 100°C, it boils.পানি ১০০ ডিগ্রি সেলসিয়াসে গরম করলে তা ফোটে।
- If it rains tomorrow, we will cancel the trip.কাল বৃষ্টি হলে আমরা ভ্রমণ বাতিল করব।
- If I were rich, I would travel the world.আমি ধনী হলে সারা বিশ্ব ঘুরে বেড়াতাম।
- If she had left earlier, she would have caught the bus.সে আগে বের হলে বাসটা ধরতে পারত।
- If you don't hurry, you will miss the train.তাড়াতাড়ি না করলে তুমি ট্রেন মিস করবে।
- If I knew his number, I would call him.তার নম্বর জানলে আমি তাকে ফোন করতাম।
Common Mistakesসাধারণ ভুল
If it will rain, I will stay home.
If it rains, I will stay home.
In the if-clause of a first conditional, use the present simple — never 'will'.
If I would have money, I would buy a car.
If I had money, I would buy a car.
The second-conditional if-clause uses the past simple (had), not 'would have'.
If I would have studied, I would have passed.
If I had studied, I would have passed.
The third-conditional if-clause uses the past perfect (had studied), not 'would have'.
Tipsটিপস
- Never put 'will' or 'would' in the if-clause — they belong in the main clause. — if-clause-এ কখনো 'will' বা 'would' বসাবেন না — এগুলো main clause-এ বসে।
- When the if-clause comes first, separate the two parts with a comma. — if-clause আগে বসলে দুই অংশের মাঝে একটি কমা দিন।
- Use 'were' for every subject in the second conditional: 'If I were you…'. — Second conditional-এ সব subject-এর সাথে 'were' বসে: 'If I were you…'।
Quizকুইজ
Tap an answer to check yourself — a free preview of the full graded quiz in the app.
1. Complete (first conditional): 'If it ___ tomorrow, we will stay in.'
2. Complete (second conditional): 'If I ___ you, I would apologise.'
3. Which sentence is a third conditional?
4. Complete (zero conditional): 'If you mix blue and yellow, you ___ green.'
Practiceঅনুশীলন
Try each one, then reveal the answer.
1. Put the verb in the correct form: 'If he ___ (call), I will answer.'
Hint: first conditional → present simple in the if-clause
2. Complete: 'If I ___ (have) more time, I would learn the guitar.'
Hint: second conditional → past simple
3. Complete: 'If they ___ (leave) earlier, they would have arrived on time.'
Hint: third conditional → past perfect
Related Lessonsসম্পর্কিত পাঠ
- Modal Verbs (Can, Could, May, Might, Must)Learn modal verbs (can, could, may, might, must) in Bangla and English: rules for ability, permission, possibility and obligation, with examples and a free quiz.
- Reported Speech (Indirect Speech)Reported speech (indirect speech) in Bangla and English: tense backshift, pronoun and time changes, reporting questions and commands, with examples and a quiz.
- Present Simple TenseThe present simple tense in Bangla and English: how to use it for habits and facts, the -s/-es rule, questions and negatives, examples, mistakes and a free quiz.
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Practise with the AI teacher →Frequently Asked Questionsসাধারণ জিজ্ঞাসা
How many types of conditional sentences are there?
There are four main types: the zero conditional (general truths), the first conditional (real future), the second conditional (unreal or unlikely present) and the third conditional (unreal past).
What is the difference between the first and second conditional?
The first conditional describes a real, likely situation ('If it rains, I will stay'), while the second describes an imaginary or unlikely one ('If I won the lottery, I would travel').
Can 'if' come in the middle of a sentence?
Yes. 'I will stay home if it rains' is correct. When the if-clause comes second, you do not need a comma between the two parts.