You must talk to them about their study.你必須同他們談談關于他們學習的事。

　　二.在否定結構中表不許。

　　You mustn't leave here.你不能離開這兒。

　　三.表堅定的建議。

　　You must come and see us as soon as you get to Shanghai.一到上海你得馬上來看我們。

　　四.表推測，暗含有很大的可能性，用在肯定句。

　　He must be ill. He looks so pale.他肯定是病了。他的臉色那么蒼白。 注意: may 暗含的可能性較小。must 暗含的可能性較大。否定的猜測用can't The baby can't be ill. He is so active.那寶寶不大可能是病了。他那么活躍。

　　五.關于must的簡短回答:

　　Must I clean the dining room at once? 我必須馬上打掃膳廳嗎?

　　Yes, you must. 是的。

　　No, you needn't.不必馬上打掃。(No, you don't have to.)

　　must的相關例句：

　　1. You must have noticed how tired he sometimes looks.

　　你一定注意到他有時候顯得特別疲憊。

　　2. "His memory must be completely back, then?" — "Just about."

　　“這么說，他的記憶一定是完全恢復了?”——“差不多。”

　　3. There must be any number of people in my position.

　　一定有很多人處在我這種境況。

　　4. I must have driven past that place thousands of times.

　　我得有上千次開車經過那里。

　　5. "You must come to Tinsley's graduation party." — "I'd be delighted."

　　“你一定要來參加廷斯利的畢業聚會。”——“我很樂意。”

　　6. Builders must fasten down roofs of newly-built homes more securely.

　　建造工人必須把新建房屋的屋頂固定得更牢靠些。

　　7. "You must be expecting a young man," she teased.

　　“你一定是在等哪位小伙子吧，”她揶揄道。

　　8. It must have reinforced my determination to blend into my surroundings.

　　這勢必讓我更加下定決心融入周圍環境。

　　9. That's why I must trust you to keep this secret.

　　那就是為什么我必須得相信你會保守這個秘密的原因。

　　10. Occasionally a patient is so debilitated that he must be fed intravenously.

　　偶爾會有病人過于虛弱，必須通過靜脈注射進食。

　　11. The uncertainty created by this situation must be confusing for you.

　　這種局面所造成的不確定性肯定讓你感到困惑。

　　12. Vintage ports must be decanted to remove natural sediments.

　　上等的波爾圖葡萄酒必須倒入其他容器中以濾除自然沉淀物。

　　13. Your decision must be translated into specific, concrete actions.

　　你的決定必須轉化為具體明確的行動。

　　14. Some thought must be given to the method of validation.

　　一些想法必須通過驗證法加以證實。

　　15. The rules state that samples must be enclosed in two watertight containers.

　　規則要求樣本必須裝在兩個水密容器中。

　　以上就是學習啦小編為大家帶來的中考英語語法Must的用法講解和例句，歡迎大家學習!