To write a perfect sentence using present perfect tense,

One must use: 'have' / 'has' + the past participle
1. Ɣɛn cï Awalwalla thaal = I have cooked Awalwalla.
2. Abuk acï Awalwalla thaal = Abuk has cooked Awalwalla.
3. Keek aacï Awalwalla thaal = they have cooked Awalwalla.
4. Ɣɛn cï cam në Awalwalla = I have eaten Awalwalla.
5. Deng acï cuïn cam ëbɛ̈n= Deng has eaten all food.
6. Athiɛ̈ɛ̈ŋ acï cäi dac cäu = Athieng has prepared quickly tea.
7. Athiɛ̈ɛ̈ŋ acï alöth thaal = Athieng has cooked sweet potatoes.
8. Athiɛ̈ɛ̈ŋ acï anyol thaal = Athieng has cooked the corns.
9. Ɣɛn cï cath = I have walked.
10. Yen acï cath = He has walked
11. Yen acï cath = She has walked.
12. Yïn cï cath = You have walked (singular).
13. We cï cath = You have walked (plural).
14. Wɔ cï cath = We have walked.
15. Keek aacï cath = They have walked.
16. Ɣɛn cï cuiɛɛi cam = I have eaten the tamarind.
17. Yïn cï cuiɛɛi cam = You have eaten the tamarind.
18. Yen acï cuiɛɛi cam = He has eaten the tamarind.
19. Wɔ cï cuiɛɛi cam = We have eaten the tamarind.
20. Dhuk acï cuiɛɛi cam = The boy has eaten the tamarind.