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must help the old man.我想我們應(yīng)該幫助這位老人。 That’ s all “不用謝 ”、 “沒關(guān)系 ”,用來回答對方的致謝或道歉。有時還可以表示 “身體很好 ” Please tell me about it. 請把此事告訴我。 Is your mother all right?你媽身體好嗎 2. make/do 這兩個詞都可以解釋為 “做 ”,但含義卻不同,不能混用。 Can you make a paper boat for me? 你能為我做個紙船嗎? He’ s doing his homework 。如: “I want to go there by bus” , he said . 他說, “我要坐汽車到那里去。 speak : “說話 ”,著重開口發(fā)聲,不著重所說的 tell sb. to do sth. /tell sb. not to do sth 如: .Miss Zhao often tells us to study hard. 4. do cooking/ do the cooking do cooking 作 “做飯 ”解,屬泛指。cooking 為動名詞,不能用作復(fù)數(shù),但前面可用 some, much 修飾。 go shopping 去買東西 go fishing 去釣魚 go boating 去劃船 go swimming 去游泳 5. like doing sth./ like to do sth. like doing sth. 與 like to do sth. 意思相同,但用法有區(qū)別。例如: He likes playing football, but he doesn‘ t like to play football with Li 踢足球,但是他不喜歡和李明踢。 the other 表另一個(二者之中) one?, the other?如: One of my two brothers studies English, the other studies ,另一個學(xué)中文。 7. in the tree/ on the tree in the tree 與 on the 在樹上 但英語中有區(qū)別。 There is a bird in the tree. 那棵樹上有只鳥。但有以下兩點需要注意。如: There is some water in the there any water in the glass?There isn’t any water in the glass. (2)在說話者希望得到肯定答復(fù)的一般疑問句中,或在表示請求,邀請的疑問句中,我們依然用 some。 The plane is so high in the sky. 飛機(jī)在空中這么高。 (4)high可作副詞, tall 不能。例 如: Can you ride a bike?你會騎自行車嗎 ?What can I do for you?要幫忙嗎? Can you make a cake?你會做蛋糕嗎? (2) can用在否定句和疑問句中時有時表示說話人的 懷疑 猜測 或不肯定。 What can he mean?他會是什么意思? 在日常會話中, can可代替 may表示 允許 , may比較正式。 Can I use your pen?我能用你的鋼筆嗎? Of course, you 。 (3) could 4 could 是 can的過去式,表示過去有過的能力和可能性(在否定和疑問句中)。 Lily could swim when she was four years old.(能力)當(dāng)麗麗四歲的時候她就會游泳。 could可代替 can表示現(xiàn)在時間的動作,但語氣較為婉轉(zhuǎn)。例如: Could you wait half an hour?請你等半個小時好嗎? Could you please ring again at six?六點鐘請你再打電話好嗎? (4) can的形式 只有現(xiàn)在式 can和過去式 c