If I had a pen, I (write) a letter. Here the right form of verb is -
ক
writing
খ
would write
গ
will write
ঘ
had written
সঠিক উত্তর: would write
Third conditional বাক্যের Structure হলো: If + subject + had + verb এর Past participle রূপ , subject + would/could/might + have + verb এর Past participle রূপ + অবশিষ্ট।