Unit14_Have_you_packed_yet.ppt

3.常用的标志词和时间状语： already， yet?， never，?ever?，just?，many times, before, so?far, over the years, all his life, in?the?last/past?ten?years?.”等。 since+过去的时间点或一般过去时的句子, for+时间段 4.表示过去已经开始，持续到现在的动作或状态，这种动作或状态还有可能继续持续下去要用延续性的动词。如：borrow-keep, buy-have, join-be in, leave-be away, start/begin-be on, open-be open, close-be closed, marry-be married, come/become-be短语 例如： His father has worked here he came here. I have been in the army five years. What are the three important things to pack when you go on a beach vacation? What are the three important things to pack when you go on a city vacation? 1b Listening 1. Have you packed yet? 你打包了吗？ pack v. pack sth. （up）into… 整理行装 pack clothes into a trunk 把衣服装进衣箱内 pack into塞进、挤进（某一地方或某一段时间） 2. Have you watered the plants yet? 你浇了这些花草了吗？ water此处为动词，浇浇水，洒洒水之意。 water the grass / the plants / the streets 洒水于草地（花木，街道）上 water the horses 饮马 No. I haven’t cleaned out the refrigerator yet. 2. I’ve already put it in the garage. 3. But I haven’t locked the garage yet. 4. I’ve already done most of my jobs. 5. Not yet. I’ll do it in a minute. 6. Yes, I have. Grammar Focus 现在完成时的基本构成方式是用动词have 加上过去分词。它是用来表达过去发生事情的另一种方式。 He has studied English and French. 他学习过英语和法语。? I have read many books. ?我读过很多书。 通常一个动词的过去分词和他的过去式是一样的，但是有一些动词的过去分词有不规则的形式。 Grammar Focus be? been run run go? gone see seen come come speak spoken swim swum give given fly flown take taken do? done become? 　 become get　?gotten / got break?　　broken Grammar Focus 当 have 被用在现在完成时态中时，它可以和前面的代名词一起组成缩写形式。 Ive been to New York once before. 我曾经到过纽约。? Hes gone to the fish market. 他已经去过鱼市了。? Weve come to help. 我们已经提供了帮助。 Grammar Focus 现在完成时用 not 来表达否定形式。当有 not 出现的时