YOU SAID:

I look a the birds while they fly away

INTO JAPANESE

彼らが飛び去る間、私は鳥を見ます

BACK INTO ENGLISH

I see birds while they fly away

INTO JAPANESE

飛んでいく鳥が見える

BACK INTO ENGLISH

I can see the flying birds

INTO JAPANESE

飛んでいる鳥が見えます

BACK INTO ENGLISH

I can see the flying birds