9 : we got lost because we didn't a map

=> unless we had forgotten to take the map with us, we could have got lost

unless : trừ khi

meaning : trừ khi chúng tôi quên mang theo đồ, chúng tôi có thể đã bị lạc

10 : the match can be cancelled because it rains heavily

=> unless it rained heavily, the match couldn't be cancelled

unless : trừ khi

meaning : trừ khi trời mưa to, trận đấu không thể bị huỷ

11 : he lost all his money because he wasn't careful

=> had it not been for his carelessness, he wouldn't have lost all his money

meaning : nếu không phải vì sự bất cẩn của anh ấy, anh ấy sẽ không mất hết tiền của mình

nếu được thì cho tớ tlhn, 5sao và cảm ơn ạa !

9. We got lost because we didn’t a map.

$\Rightarrow$ Unless we had had a map, we would have got lost.

Unless: trừ khi
10. The match can be cancelled because it rains heavily.
$\Rightarrow$ Unless it rains heavily, the match can't be cancelled.

Unless: trừ khi
11. He lost all his money because he wasn’t careful.

$\Rightarrow$ Had it not been for his carelessness, he wouldn't have lost all his money.

@Nobitao@