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. The little girl dare not go out alone at night. 4. He needs to finish it this evening. 5. I don’t know how she dares to wear that dress. 用法總結: 1)need 意為 “ 需要 ” 。 dare 意為 “敢” . 2)need/dare 既可作 情態(tài)動詞 , 也可作 實義動詞 .作情態(tài)動詞使用時,一般只用于 否定句或疑問句 中。 3)注意 need/dare 作情態(tài)動詞和實義動詞時相應的否定形式的構成。 鞏固: 情態(tài)動詞 實義動詞 肯定式 He dares to escape. He needs to escape. 否定式 He daren’t escape. He needn’t escape. He doesn’t dare (to) escape. He doesn’t need to escape. 疑問式 Dare he escape? Need he escape? Does he dare to escape? Does he need to escape? Step 3: 隨堂檢測 ???1. Give some suggestions to Zhuzhou about how to build a new Zhuzhou using some modal verbs (at least 3 sentences) 1)__________________________________________________________。 2)__________________________________________________________。 3)__________________________________________________________. 2.翻譯: 1) I don’t think he can solve the problem without any help. 我認為他不能在沒有別人幫助的前提下解決這個問題 . 2) 你應該尊敬你的父母 . You should respect your parents. 3)我們必須要打掃教室嗎 ? 不是 ,不需要 . Must we clean the classroom? No, you needn’t. ?? 選擇正確答案: I water the trees on Tuesday? No, you needn’t. A. Can B. Must C. May D. Shall 2. Everyone _____ do his best to make the world safe and clean. A. can B. may C. should D. had to 3. I don’t mind telling you what I know. You _________. I’m not asking you for it. A. mustn’t B. may not C. can’t D. needn’t