Rewrite the sentences beginning by So. 1. He was so excited that he could hardly sleep. 2. His experience was such that he knew what to do immediately. 3. She performed it so well that many said that it was perfect.

`1.` So excited was he that he could hardly sleep.

`2.` Such was his experience that he knew what to do immediately.

`3.` So well did she perform it that many said it was perfect.

`@` Cấu trúc đảo ngữ của "so":

`-` $S + Adj + be + N + that + clause$

`-` $S + Adv + S +V(bare) + that + clause$

`@` Cấu trúc đảo ngữ của "such":

$Such + be + (a/an) + adj + N + that + clause$