Hello again, Hola por una vez. Grammar help please! Ayúdame por favor!

Hi. I was wondering why the "ako/ko" changes to "ta" in this sense:

Sumbagin ta ka. 

Also can you also give me some more examples of this change from "ako(ko)" to "ta"?

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Hola, quiero saber la razón que "ako(ko)" ha cambiado a "ta" en este ejemplo:

Sumbagin TA ka. 

¿Podéis vosotros darme más ejemplos que tiene esta situación?

 

Thank you! ¡Gracias! Salamat!

Amazing!

Wow, this is amazing guys. thank you so much for your help! you have no idea how hard it is to find help with these topics for me!! I'm really learning a lot.

I might as well ask all my grammar questions on this website then, if I may!

 

My next question that I hear a lot when my mom speaks to me is the imperative forms with "-i" and "-a." I had a hard time with these 2 affixes since I learned (through my mistakes in speaking) that some verbs don't take one or the other or maybe it depends on the situation?? still, I don't know and am confused¿¿

Is this because "-i" and -a" for the imperative forms depend on the subject and object again?