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down all our ideas. Then we can decide which ideas are best. G1:Um…well…we could put up signs. B2: That’s a good idea. G2:I’ll hand out ads after school. B1: Ok. Great. And we could each call up ten people and ask them to e B2: Hey, we are ing up with a lot of good ideas, aren’t we? could help clean up the city park. 你可以幫助清理城市公園。 (2) clean up 意為“打掃;清理”。 2. We need to e up with a plan. 我們必須想出一個計劃。 通常用于疑問句和否定句中,構(gòu)成疑問句和否定句時,不需要使用助動詞。 to set up a shop aren’t supposed to hand out 4. 人們不應(yīng)該在路上分發(fā)廣告 . People _________________________ advertisement on the road . They want _______________ next year. 3. 他們想明年開一家商店 . Write three conversations about your discussions with your classmates. Homework A: I’d like to help the old. What could I do? B: You could give them medical service. 。 A: Need I e to work tomorrow? 明天我需要來上班嗎 ? B: Yes, you must / have to. 是的 , 你必須來。 The man needs an English dictionary when he works. 這個人在工作時需要一本英語詞典。 但如果在 clean 和 up間加個連字符 號 , 它就是名詞了 , 意為“掃除”。 Explanation Please help me to move this table. 請幫我搬一下這張桌子。 ( 1)動詞 help后可以接動詞不定式作賓語或作賓語補足語 ,這時不定式的標(biāo)志 to可以省略也可以保留; help sb. with sth. 意為“幫助某人做某事”。 Please clean up your bed and clothes. 請整理一下你的床鋪和衣服。 (1)need用作實義動詞,有“必要”、“必需”之意,有人稱、數(shù)和時態(tài)的變化,可以接名詞、代詞、動名詞或帶 to 的動詞不定式作賓語,構(gòu)成疑問句和否定句時要借助于助動詞。 Need you go to the park with your classmate? 你必需和你的同學(xué)去公園嗎? 【 注意 】 由 need引出的疑問句,答語表肯定時用 must或 have to;表示否定 時用 needn’t或 don’t have to