文法・語法チェック---2

すべてGoblet of Fireから。

同等比較＋仮定法過去完了
Uncle Vernon looked as outraged as if Harry had just uttered a disgusting swearword.
disgusting＝むかつく
swearword＝悪態

tell+O+(not) to do[不定詞を否定する]
"How many times do I have to tell you not to mention that unnaturalness under my roof?"

倒置＋関係副詞
Gone were the days when he had been forced to take every single one of the Dursleys' stupid rules.
be+goneは古い完了形の名残

分詞構文[連続動作]
Now he watched the purple recede blotchily from Uncle Vernon's face, making it look like badly mixed blackcurrant ice cream.