15. (+) Last week we talked about our event and I wrote the report. / Minggu lalu kami membicarakan acara kami dan aku menulis laporannya.
(-) Last week we did not talk about our event and I did not write the report. / Minggu lalu kami tidak membicarakan acara kami dan aku tidak menulis laporan.
(?) Did you guys last week talk about your event and you wrote the report? / Apakah kalian minggu lalu membicarakan acara kalian dan kamu menulis laporannya?
16. (+) I met my best friend last Sunday because we wanted to buy bracelets together. / Aku bertemu sahabatku hari Minggu lalu karena kami ingin membeli gelang bersama.
(-) I did not meet my best friend last Sunday. / Aku tidak bertemu sahabatku hari Minggu lalu.