Jawaban:

1. You called Debi
2. Katie have worked in that company for 4 years*
3. He passed away in 2009
4. We went to watch the movie yesterday
5. 3 years ago, I studied in Canada University
6. Did he write a letter?
7. I watched a movie yesterday
8. I didn't watch a game yesterday
9. Did you have dinner last night?
10. Last year, I didn't go vacation to Korea
11. We have spoken in telephone for 30 minutes*
12. They have sat on the beach all day long*
13. They didn't play the piano
14. Tom repaired his car
15. He didn't like tomato before

Penjelasan:

Rumus simple past

(+) S + V2

(–) S + didn't + V1

(?) Did + S + V1?

*menggunakan present perfect, tidak bisa menggunakan simple past karena kegiatan lampaunya masih ada hubungan dengan waktu sekarang. cirinya: sejak (since), selama (for)

Rumus present perfect

(+) S + have/has + V3

(–) S + have/has + not + V3

(?) Have/Has + S + V3?