`10.` Were I to know her phone number, I would give you.

`-` Đảo ngữ: Câu điều kiện loại 2: Were + S + to V, S + would/could + (not) + V(bare)

`11.` Had I gone to the party, I would have met him.

`-` Đảo ngữ: Câu điều kiện loại 3: Had + S + (not) + V3/ed, S + would/could + have + (not) + V3/ed

`12.` Such is the bad weather that we can't go home.

`-` Đảo ngữ: Such + be + a/an + adj + N + that + S + V + O

`13.`

`(1)` No sooner had she gone home than she called me.

`-` Đảo ngữ: No sooner + had + S + V3/ed + than + S + V2/ed

`(2)` Scarcely had she gone home when she called me.

`-` Đảo ngữ: Scarcely + had + S + V3/ed + when + S + V2/ed

`14.` Only after Peter retired did he think about having a holiday abroad.

`-` Đảo ngữ: Only after + S + V + trợ động từ + S + V