Grammar — Inversion

"Seldom did they go to the football match."

ما المقصود بـ Inversion؟ وما سبب استخدامه في هذه الجملة؟

"Hardly had the play started when there was a disturbance in the audience."

ما التركيب النحوي مع Hardly...when؟ وكيف نبنيه؟

"Not only does he speak English, he speaks French."

كيف يُحدث Not only في بداية الجملة Inversion؟ وما القاعدة؟

"Were I you, I would study more."

ما نوع Inversion هنا؟ وبمَ تختلف عن If I were you؟

"Never have I been to London before."

كيف نبني Inversion مع Never؟ وما الفرق بين Never have وI have never؟