Incorrect:    It was my first time to go abroad.
Correct:    It was the first time I had gone abroad.
    
Incorrect:    While walking along the street, I met my
    friend.
Correct:    While walking along the street, I met a
    friend of mine.
   
Incorrect:    My this book cost me nearly 300 dollars.
Correct:    This book of mine cost me nearly 300
    dollars.

Incorrect:    My room is narrow.
Correct:    My room is small.
   
Incorrect:    I'll visit my native place for the first time
    in ten years this summer.
Correct:    I'll visit my birth place for the first time in
    ten years this summer.