1、Unit10 SectionA 1a2d知识点 一、现在完成时现在完成时经常搭配三种 副词第一种副词:表示 完成。 unit8第二种副词:表示 经验。 unit9第三种副词:表示 持续。 unit10第一种副词:表 完成 的副词。 unit8 1、already 已经。 肯定句 句中 2、just 刚刚、刚才。 句中 3、yet 疑问句(已经) 否定句(还) 。 句尾not yet还没 第二种副词:表 经验 的副词。 unit9表示经验的副词1、ever(曾经) ,never(从不,绝不),often ;before(以前), 2、once(一次); twice(两次) ;a couple o
2、f times (几次); times( 次 ) 特殊用法 have been to + 地点 曾经去过某地 (已回来)have gone to + 地点 已经去了某地 (没回来)have been in + 大地点 待在某地(多长时间)have been at + 小地点 待在某地(多长时间)注意:当跟副词 home; here; there时,不加to 或in。第三种副词:表 持续 的副词。 unit10(一) 表示持续的副词:表示动作从过去到现在做了多长时间1、for + 一段时间 多长时间 eg、 for two years 两年2、 since+ 过去时间点 自从 (since是介词
3、) eg、 since two year ago自从两年前 since 2020 自从2020年since+ 过去式句子 自从 (since是连词) eg、 since it was 2020.3、 all day 一整天 ; these days 目前 ;recently / lately 最近; this week 这周; so far(到目前为止);in the past(在过去);in the past years(在过去的几年)等eg、我们认识十年了。We have known each other for ten years.We have known each other sin
4、ce ten years ago.We have known each other since it was 2012 .好久不见!I havent seen you for a long time.I havent seen you since a long time ago.(二) How long 提问多长时间1、He has played basketball for a week.对for a week提问:How long has he played basketball?2、He has played basketball since a week ago.对since a we
5、ek ago提问:How long has he played basketball?二、几个常见的时间表达1、for+一段时间 -表示多长时间;since+过去时间点/过去式句子 -表示 自从这两个用how long 提问2、in+一段时间 -表示多久以后这个用how soon 提问, how soon 问多久以后3、 how often 问多久一次三、动词分为:延续性动词和非延续性动词 非延续动词可以转换为延续性动词延续性动词 和 非延续性动词 be die -be dead(变延续) run go work borrow -keep(变延续) stay finish -be over(变
6、延续)sleep buy -have(变延续)1、 延续性动词:又叫长动词, 和时间段连用。2、 非延续性动词:又叫短动词/瞬间动词,和时间点连用。注意:非延续性动词的否定句,可以和时间段连用。eg、他爸爸去世十年了。His father has died for ten years. 错误His father died ten years ago. 正确His father has been dead for ten years. 正确His father has been dead since ten years ago. 正确I have bought the car for two y
7、ears. 错误I have bought the car already. 正确I havent bought anything for two months. 正确He has gone to Beijing for two days. 错误He has been in Beijing for two days. 正确eg、 Look at the map. I_ them for five years. A、kept B、have kept C、have bought D、bought 四、常见的两种动词 练习册P104页延续性动词: be ;keep;have;stay;be away; be dead;know非延续性动词:come 、go、arrive、leave、begin、start、die、buy、borrow、join 注意: 非延续动词可以转换为延续性动词eg、buy -have ;go out -be out;borrow -keep;finish -be over; buy-have