私は、彼が

I ... he ...

→ 私
phrase Rare #22,992
I ... he ... This is not a fixed phrase by itself. 私は marks “I” as the main topic, while 彼が marks “he” as the subject of a following clause. The words between or after them determine the full meaning.
JA: 私は、彼が来るのを楽しみにしています。
EN: I’m looking forward to his coming.

私は、彼がいなくてこの上なく寂しい

I miss him more than anything.

私は、彼がどうして時間をうまく利用してるのか知りたい

I want to know how he makes good use of his time.

私は、彼がその地位与えられる見込みはないということを彼に話す気にはなれない

I can't bring myself to tell him that he's unlikely to be given the position.

私は、彼が父親に本当によく似ているのに驚いた

I was surprised by how much he looks like his father.

私は、彼がたった今部屋から出るのを見た

I saw him leave the room just now.

私は、彼がその事件について無罪だと信じています

I believe he is innocent of the incident.