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1.Youmustbemorecareful!(你得多加小心!)【要点概述】must和can,may一样,是情态动词,没有人称和数的变化,并须和动词原形一起构成复合谓语。在此句中,因careful为形容词,故系动词be不能漏掉。值得注意的是:在回答以must开头的疑问句时,肯定回答用“主语+must”,否定回答用“主
1.Youmustbemorecareful! (Most of you are careful!) [Outline] Must, like can and may, is a modal verb. There is no change in the number and number of people. It must be a compound predicate together with the verb form. In this sentence, since the word careful is an adjective, the verb be cannot be omitted. It is worth noting that when answering questions that begin with must, the affirmative answer is “subject+must”, and the negative answer is "main.