আপনার প্রতিষ্ঠানের লোগো সহ ডাউনলোড করতে প্রথমে লগইন করুন!
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Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing

Which one is the right form of verb to fill in the gap? Mr. Rahman is my colleague. I---- him for over ten years.

know

knew

have known

have been knowing