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?

1. I have had these shoes since the 18th birthday.

2. When I was younger, I played badminton for my local team.

3. We haven't seen Nam recently, the last time we met him was in April.

4. This book is so long, I haven't finished it yet.

5. Have you worked in your company for a year?