江苏省东台市唐洋镇中学八年级英语下册《unit 1 past and present grammarⅱ》学案无答案 牛津版.docVIP

《Unit 1 Past and present Grammar(Ⅱ)》学案 【学习目标】 1.能够在语境中正确运用现在完成时。 2.运用现在完成时谈论发生在过去并与现在有联系的事情。 ?? 3.理解并运用常与现在完成时连用的时间表达方式。理解并运用常与现在完成时连用的时间表达方式。【自学探究】 预习P16/17，查字典，写出下列单词的意思,并且熟记他们。 1、already _____________ 2、yet ________________ 3、just ___________________ 4、ever _________________ 5、never _____________ 6、before _________________ 二、完成课本P17练习。 三、尝试着阅读下面的知识链接，看看是否可以理解。 【知识链接】 ：He has lived here since 1978. ) 　 　 I have been in the army for more than 5 years. 我在部队已经呆了五年多了。 (动作开始于5年前，一直延续至今，有可能还要继续下去。) 　　2、特点：此种用法的句中常需一个表示一段时间的状语(由since或for引导)，或表示与现在时刻相连的时间状语(如：up to now，so far到目前为止)等。 　　 例如：I have heard nothing from him up to now. ： He has been in the League for three years. = It is three years since he joined the League. 1. I _____________ (work) here since I __________ (move) here in 1999. 2. ---How long ____ __ the Smiths ________(stay) here? --- For two weeks. 3. She ____________ (be) ill for three days. 4. She____________ (not read) this book before. 5. __ __ you ever __________ (travel) on a train before?  3. a. for 和表示一段时间的词组连用。 eg. for six hours/nine days/ two weeks/thirty years b. since 和表示过去某一时刻的词或词组连用，这是介词。 eg. since nine o’clock this morning / last summer/ three weeks ago/September since 还可以引导时间状语从句，表示“自从…..以来”，这是连词。 eg. 自从他出生以来，他就住在这儿。He has lived here since he was born. ______ three months ______ two weeks ago, _______ 1998, ______last Sunday 4、延续性动词和终止性动词的概念 英语中，， 延续性动词表示能够延续的动作，：learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay 终止性动词也称非延续性动词、瞬间动词或短暂性动词，表示不能延续的动作，这种动作发生后立即结束。如open, close, finish, begin, come, go, arrive, reach, get to, leave, move, borrow, buy等。 5、延续性动词的用法特征 　　a. 延续性动词可以用于现在完成时，其完成时态可与表示段时间的状语连用。表示段时间的短语有：for two years, during the past three years, since last year, how long等。如：I have learned English since I came here.自从我来到这儿就学英语了。 　　b. 延续性动词不能与表示短暂时间的点时间状语连用。如：It rained at eight yesterday morning.(误) rain为延续性动词，而at eight表示点时间，前后显然矛盾。如果用延续性动词表示一瞬