`9` 

`-` If i ate dinner with everyone, i wouldn't feel hungry.

`-` Unless i ate dinner with everyone, i would feel very hungry.

`-` Not having eaten dinner with everyone, i feel very hungry now.

`=>` Cấu trúc câu điều kiện loại `2`

`-` If / Unless + S + V2 / ed + ..... + S + would(not)  + v-inf + .........

`=>` Đây là dạng câu Participle clause (ing clause)

`-` (Not) + v-ing + ........ + ( vế sau giữ nguyên ) 

`9` I didn’t eat dinner with everyone, so I feel very hungry now

`->` If I ate dinner with everyone, I wouldn't feel hungry

`->` Unless I ate dinner with everyone, I would feel very hungry

`->` Not having eaten dinner with everyone, I feel very hungry now

Giải thích

`->` Cấu trúc câu đk loại 2 : If/Unless + thì QKĐ , would + V ( nguyên thể ) + ...

`->` Cấu trúc : (Not) + Verb + -ing …