Conditional Sentence & used of unless, In case, Provided, Provided that, Providing that for completing Sentence
ইংরেজিতে অন্যান্য বিষয়গুলোর মত Conditional Sentence খুবই গুরুত্বপূর্ণ। বিশেষ করে SSC & HSC পরীক্ষায় completing Sentence অংশে এখান থেকে প্রশ্ন আসবে। বিভিন্ন প্রতিযোগিতামূলক পরীক্ষায় কোন কথাই নেই ৷ University addmision test, Primary, PSC, BCS, BANK এ বিষয়টি খুবই গুরুত্বপূর্ণ।
Example : What would have happened if the bridge had broken. (27th BCS)
If I found him, I would tell the matter. (SSC Exam)
➡️ Structure -1: If যুক্ত clause টি present Tense হলে অপর clause টি হবে Present বা Future.
1. If + subject + verb এর Present form হলে Subject + verb এর Present form/ will+ present form+ If যুক্ত বাক্যের সাথে মিলিয়ে অর্থপূন্য বাক্য গঠন করতে হবে।
▶️ Water boils if you heat it to 100℃
▶️ If the price is low, demand will increase.
▶️ If a ruby is heated it will temporarily loose its colour.
➡️ Structure -2: If যুক্ত clause টি past indefinite হলে অপর clause টি হবে subject + would /could /might + verb এর present form.
Subject + would /could /might + verb (base form)+others
▶️ If I were you, I would handle the situation. more carefully.
▶️ If you wanted, I would help you.
▶️ If you went away now, your friends would miss you.
▶️ If I were a king, I would not know what sorrow are
➡️Structure -3: If যুক্ত clause টি past perfect হলে অপর clause টি হবে -
Subject + would have/ could have/ might have + V.Past. participle+ others
▶️ If I had known you were coming, I would have gone to the station.
▶️ He would have come to see us if he had been able to
▶️ If he had invited me, I would have gone.
▶️ If he had painted that picture, he would have signed his name in the corner.
. ▶️ If Napoleon had not invaded Russia, he would have conquered the rest of Europe.
➡️Structure -4: were/ had + Subject+ others+ হলে অপর clause টি হবে -
Subject + would /could /might + verb এর present form+ others.
. ▶️ Were they studious, they would obtain the degree.
▶️ Had I much money, I would buy a car.
➡️Structure -5: Had + Subject+ Verb এর P.P+ others হলে অপর clause টি হবে -
Subject + would /could /might + Verb এর P.P+Others
Had I realised how close I was to failing, I would not have gone to the party.
➡️ Structure- 6: Unless/ যদি না----
Unless + subject + affirmative verb, subject + negative verb
Subject + verb+ unless হলে subject + will/ shall/can+ verb এর present form + others
▶️ I cannot go unless I finish my work.
▶️ Unless I hurry, I will miss my train.
➡️ Structure - 7: In case / পাছে, সম্ভাবনা/ হতে পারে - না হতে ও পারে যদি (শর্তহীন) বুঝায়।
▶️ While going to School , take your Umbrella
in case it rains.
▶️ Give him a mobile number to ring in case he gets forget.
➡️ Structure - 8: Provided / Provided that/ Providing that এর অর্থ হচ্ছে - যদি / এই শর্ত সাপেক্ষে যে/ এ ক্ষেত্রে।
▶️ He can lend you money provided you repay it in time.
▶️ He will success in life provided that he workd hard.
Exercise :
⚕️Had we reached station ----
⚕️If I had known her address ----
⚕️He would have been arrested ---
⚕️If the sun did not shine, ----
⚕️I would meet with you -----
⚕️ If you study well-----
⚕️If I were Millionaire, ----
⚕️If I had tried Again, -----
⚕️If I knew his mobile number, ----
⚕️He will shine in life provided that ----
⚕️Unless you hurry up----
⚕️Unless he gets up early in the morning, ---
⚕️Write down the address incase ----
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