YOU SAID:

My phone is ringing and i don't know what to do

INTO JAPANESE

自分の携帯電話が鳴っていると何をするかを知らない

BACK INTO ENGLISH

I don't know what to do my phone is ringing and

INTO JAPANESE

何をするかを知っていない私の電話が鳴っていると

BACK INTO ENGLISH

And do not know what to do my phone is ringing.

INTO JAPANESE

何をするかを知っていないと私の電話が鳴っています。

BACK INTO ENGLISH

And do not know what to do my phone is ringing.