【正文】
走進(jìn)了房間。(指一段時(shí)間)(2)When she es, I shall tell her to wait for you.(e是短暫性動(dòng)詞) 她來的時(shí)候我會(huì)叫她等你的。(指一點(diǎn)時(shí)間,不能用while)(3) I made many friends when (while) I lived in Beijing. (live 是延續(xù)性動(dòng)詞) 我住在北京時(shí)交了許多朋友。(指一段時(shí)間)(4)While ( As) Helen was reading , Jack was writing.(read是延續(xù)性動(dòng)詞) 海倫閱讀時(shí),杰克在寫東西。(指一段時(shí)間)三.(not)...till / until句式中短暫性動(dòng)詞與延續(xù)性動(dòng)詞的運(yùn)用。till 和 until 這兩個(gè)詞的意思都是直到……,引導(dǎo)一個(gè)表示一端時(shí)間的狀語,其后的介詞賓語或從句表明這段時(shí)間的終點(diǎn),用法相近,但在句首只能用until。在肯定句中,主句要用延續(xù)性動(dòng)詞;正在否定句中,until或till 可以和非延續(xù)性動(dòng)詞連用,這時(shí), until和before 同義,not...until 和 not...before 意思相同,表示直到......才,在.......以前不。例如:(1)My father kept working in the office till (until) twelve o39。clock last night. 我父親昨晚在辦公室一直工作到十二點(diǎn)。 (2) I waited there till (until) noon yesterday. 我昨天在那兒一直等到中午。(3) She stood there till (until) he had passed out of sight. (stand為延續(xù)性動(dòng)詞) 她站在那里看著,直到望不見他的身影。 (4) He didn39。t go into the room until I returned.(go into 為 短暫性動(dòng)詞) 直到我回來他才進(jìn)入房間。 (5) Until (不用till)he had finished their homework, they didn39。t go home. 他們直到工作完成了才回家。(go home 是短暫性動(dòng)詞) (6)We can not leave school until (till) Saturday.(leave 是短暫性動(dòng)詞) 我們到周六才可離校。 (7)I didn39。t finish reading that story till (until) yesterday. 我直到昨天才看完那個(gè)故事。(finish是短暫性動(dòng)詞) 另外,有些動(dòng)詞。既可用作延續(xù)性動(dòng)詞,也可用作非延續(xù)性動(dòng)詞,因此,其肯定式和否定式均與until或 till 連用,但表示的意義往往不同。 例如:He ate until it was 。(eat為延續(xù)性動(dòng)詞) He didn39。t eat until it was dark. 他直到天黑才吃飯。(eat為短暫性動(dòng)詞)四.在可以用How long 提問表示一段時(shí)間的句子中,謂語動(dòng)作通常使用延續(xù)性動(dòng)詞。如:(1)How ling will the meeting last? The meeting will last two hours. (2) How long can I keep the book? You can keep the book for two weeks. (3) How long has she studied English? She has studied English for three years. (4) How long did his mother keep on working yesterday? His mother kept on working for six hours yesterday? 可以看出,這些句子中的謂語動(dòng)詞last, keep, study 都是延續(xù)性動(dòng)詞