This tea is too hot to drink.
↓
This tea is so hot that I can drink it.
この紅茶はとても熱くて飲めない。
※ that以下の文は完全文でなければならないので他動詞の後には必ず目的語(it)を置く
The stone was too heavy to lift.
↓
The stone was so heavy that I couldn't lift it.
その石はとても重くて持ち上げられなかった。
※ 同上
That boy was too shy to make a speach.
↓
That boy was so shy that he couldn't make a speach.
その少年はとても恥ずかしがりでスピーチができなかった。
He was too proud to beg for her forgiveness.
↓
He was so proud that he couldn't beg for her forgiveness.
彼はとてもプライドが高くて彼女に許しを乞えなかった。