see vs. look vs. watch

 see: 強調結果，能不能看見

 look: 強調動作，眼睛看某個方向

 watch: 強調過程，看某人看某物，持續動作

Noun Clauses

當主詞

That she can speak multiple languages really helps a lot.

當受詞

I don't know (that) e will come.

當補語

My biggest fear is something.

當同位語

The belief that the earth is flat is outdated.

介系詞後

I'm interested in something.

I'm interested in what (6W1H) the book is about.

The Passive

 進行被動式

The house will be being cleaned by the maid.

= The house will be cleaned by the maid.

The documents have been being prepared by the lay

= The documents are being  prepared by the layyer.