영어 분사의 형태와 쓰임이 궁금해요

다음 문장들이 문법에 맞는지, 틀렸다면 어떻게 고치는지 이유와 함께 알려주세요.
We are swimming in the swimming pool.
We have watching the new Harry Potter movie.
The talked parrot could say many words.
The new album has not yet been released.
My father is cooked in the kitchen.
The brightening day began as the rooster crowded.
The other questions remain unanswering.
I had great difficulty understanding how English works.
The falling snow covered everything in sight.