英語你我他文法篇77:must(三)
講義
必定；推測 (過去式為must + have + p.p.)
She's smiling at you. I think she must know you.
她在跟你笑。我想她一定認識你。
You have been working all day. You must be tired.
你工作了一整天，一定累了。
She looks pale. She must be sick.
她臉色蒼白，一定是很不舒服。
He didn't come. He must have forgotten our date.
他沒來，他一定是忘了我們的約會。
I lost one of my gloves. I must have dropped it somewhere.
我掉了一只手套，一定是在哪里弄掉了。
He got full marks on the English test today. He must have studied hard last night. 他今天英文考試滿分，昨天晚上他一定很用功。
When I woke up this morning, the light was on. I must have forgot to turn it off last night. 今天早上我醒來時，燈是亮的，我昨晚一定是忘了關(guān)了。
