7. I didn't know you were in hospital. If I ................, I would have come to visit you. * 1 điểm a) knew b) would know c) would have known d) had known

2 câu trả lời

$7)$

`=>` $D$ - $had$ $known$

`->` Vế sau là S + would + have + v1 `=>` câu điều kiện if loại 3

`=>` vế đầu chia ở QKHT: S + had + V3

`=>` V3 của know là known.

`+)` Câu điều kiện loại 3:  [If + thì quá khứ hoàn thành],  [would + have + V3/V-ed]

___________

$#rosé$

I didn't know you were in hospital. If I ................, I would have come to visit you. 

D. had known

Cấu trúc CT áp dụng :

If + S + had + V-PII          →          S + would + have + V-PII

(Quá khứ hoàn thành)                              (lùi thì)