1. I/have/these shoes/since/18th birthday/./
→ I have had these shoes since my 18th birthday.
2. When/I/be/younger/I/play/badminton/for/local team/./
→ When I was younger, I played badminton for my local team.
3. We/not see/Nam/recently/./the last time/we/meet/him/be/April/./
→ We haven't seen Nam recently. The last time we met him was April.
4. This book/be/so long/I/not finish/yet/./
→ This book is so long that haven't finished it yet.
5. You/work/your computer company/for a year/?/
→ Have you ever worked your computer company for a year?