英语人教版八年级下册unit10导学案

八年级下册unit10第三课时导学案。

unit 10 i've had this bike for three years .（section a grammar focus 4a--4c）present perfect tense withsinceandfor

学习目标：能正确使用现在完成时询问并表达持续性动作或状态(for, since)重点难点：能够总结现在完成时的用法，并灵活运用。一。学习内容课前自主学习。

1.复习grammar focus.现在完成时的用法。

现在完成时的结构。

现在完成时的时间状语。

1)用副词already和yet。already一般用于___句中， yet一般用于___和___句中。

2）ever“曾经”用于疑问句或否定句中，never“从来没有”常与before连用，放在助动词与过去分词之间。

3)h**e/has been to与h**e/has gone to___

二。教学过程。

一）根据给出的句型（课件）讨论分析后回答下面的问题。

现在完成时的特殊疑问句的结构是用询问拥有某物品的时间。

since后接for后接since＋一段时间＋ago＝for＋时间段； since two weeks ago=for two weeks;二）根据展示的句型（课件）对比讨论：与how long，for或since搭配使用在现在完成时中的动词有什么共同特点？

三）短暂性动词变为延续性动词的现在完成时构成举例：buy___

borrowarrivele**eopenjoindie

marrycome / gobegin / start___finish / stopfall asleep

三．课堂反馈。

一）、用since, for填空。

1.—how long h**e you lived here?—i’ve lived here __twenty years.

2. i’ve been here __1976.

3. he has just bought a new house in the city, but ever __he moved in，he has had trouble with cars and their owners.4.

we h**en’t seen each other __last week.

5. my parents and i h**e been in hong kong___two day.6.

sally has been away from londonlast saturday.7. our school has changed a lot __the new building was built.

8. tommy has had this motorcyclethree years.9.

my parents h**e been married __20 years.6. i h**e taught in the schooli came here.

（二）、选择填空。

1. becky __has been, has become) a doctor for ten years.

2. we are late .the movie___has started, has been on )for ten minutes.

3. you __h**e borrowed, h**e kept) the library book for over twoweeks.

4. i __h**e bought, h**e had) this bike since i was ten ,so i want tobuy a new one.

三）1.4a.合作讨论定每个句子的出谓语动词、时间状语。（黑板展示）2. 4b观察句子了解句意画出关键词定时态变动词。

3.4c互动完成调查，看那些同学在规定时间内调查最多学生，调查了哪些物品种类。例句treasure island is tony’s fovrite book .

he has had it for two years.