外研版八年级下册Module-3知识点整理.docx

外研版八年级下册 Module 3 知识点整理moon n.月亮；月球一.重点单词earth n．地球news n．新闻；消息reach v.到达；抵达planet n．行星yet adv.还，尚just adv.刚才；刚刚model n.模型spaceship n.航天器；宇宙飞船astronaut n.宇航员discover v.发现；找到environment n.环境system n.系统；体系universe n.宇宙solar adj.太阳的；与太阳有关的group n.群；组impossible adj.（事情）办不到的，不可能的communicate v.联系；交流二.重点短语1.be up to 忙于，正在做3.far away 远离2.no problem 没问题4.go online 上网5.search for 搜索6.on the earth 在地球上7.billions of 数以十亿计的9. as...as... 和......一样......11.in order to 为了8.more than 多于，超过municate with sb.和某人联系12.finish doing sth 做完某事三.用法集萃1.in order to do sth．为了做某事2. adj./adv.+ enough to do sth.足够……可以做某事 3.as+形容词/副词原级+as 和……一样……4. watch sb./sth. doing sth. 看见某人/某物正在做某事watch sb./sth. do sth．看见某人/某物做某事四.重点句型1.I've just made a model spaceship.我刚刚做了一个宇宙飞船模型.2.1 haven't started yet.我还没开始呢.3.Astronauts have already been to the moon.宇航员已经去过月球了。

4.lt has gone there, but it has not come back yet. 它已经去了那里，但它还没有回来五.语法归纳(一)教材典句1. Has it arrived yet? 它已经到达了吗?2.I've just made a model spaceship.我刚刚做了一个宇宙飞船模型3.Astronauts have already been to the moon.宇航员已经去过月球了4.The astronaut has gone to the space station.这个宇航员去了太空站以上四个句子为现在完成时，表结果现在完成时常与 already，yet，just 等副词连用二)语法归纳1.现在完成时表示过去发生的某一动作对现在造成的影响或结果，强调现在的情况，它与现在有密切的关系它不能和表示过去的时间状语连用I have seen the film.我看过这部电影了解电影的内容) I saw the film last week.我上周看了这部电影只说明上周看电影这件事,不涉及现在)have/has been to, have/has gone to 与 have/has been inhave/has been to 意为“到过，去过”，表示曾经 Have you ever been to Hong Kong？到过某地，而此时人已不在那儿 你曾经去过香港吗？了。

have/has gone to 意为“去了”，现在人可能在去 Where is Lily? Has she gone to the的途中或已在那个地方了，而不 library?在说话人处莉莉在哪儿？她去图书馆了吗？have/has been in 意为“待在”，常和表示持续意 I have been in Harbin for three years.义的时间状语连用 我已经在哈尔滨待了三年了3.already 与 yet一般用于肯定句中，常与完成 He already knew about it then.时连用，与过去时连用时，谓 那时他已经知道此事了语动词一般要用延续性动词 I have already finished my有时 already 也用于疑问句中， homework.already表示惊奇或希望对方给出肯定的答复我已经完成我的作业了Have you done already?你已经做过了吗?一般用于否定句和疑问句中， His mother hasn't yet been to常放在否定词之后或句末yet他妈妈还没有去过北京Has she gone to school yet?她已经去学校了吗?3.as+形容词/副词原级+as 和……一样……4. watch sb./sth. doing sth. 看见某人/某物正在做某事watch sb./sth. do sth．看见某人/某物做某事四.重点句型1.I've just made a model spaceship.我刚刚做了一个宇宙飞船模型.2.1 haven't started yet.我还没开始呢.3.Astronauts have already been to the moon.宇航员已经去过月球了。

4.lt has gone there, but it has not come back yet. 它已经去了那里，但它还没有回来五.语法归纳(一)教材典句1. Has it arrived yet? 它已经到达了吗?2.I've just made a model spaceship.我刚刚做了一个宇宙飞船模型3.Astronauts have already been to the moon.宇航员已经去过月球了4.The astronaut has gone to the space station.这个宇航员去了太空站以上四个句子为现在完成时，表结果现在完成时常与 already，yet，just 等副词连用二)语法归纳1.现在完成时表示过去发生的某一动作对现在造成的影响或结果，强调现在的情况，它与现在有密切的关系它不能和表示过去的时间状语连用I have seen the film.我看过这部电影了解电影的内容) I saw the film last week.我上周看了这部电影只说明上周看电影这件事,不涉及现在)have/has been to, have/has gone to 与 have/has been inhave/has been to 意为“到过，去过”，表示曾经 Have you ever been to Hong Kong？到过某地，而此时人已不在那儿 你曾经去过香港吗？了。

have/has gone to 意为“去了”，现在人可能在去 Where is Lily? Has she gone to the的途中或已在那个地方了，而不 library?在说话人处莉莉在哪儿？她去图书馆了吗？have/has been in 意为“待在”，常和表示持续意 I have been in Harbin for three years.义的时间状语连用 我已经在哈尔滨待了三年了3.already 与 yet一般用于肯定句中，常与完成 He already knew about it then.时连用，与过去时连用时，谓 那时他已经知道此事了语动词一般要用延续性动词 I have already finished my有时 already 也用于疑问句中， homework.already表示惊奇或希望对方给出肯定的答复我已经完成我的作业了Have you done already?你已经做过了吗?一般用于否定句和疑问句中， His mother hasn't yet been to常放在否定词之后或句末yet他妈妈还没有去过北京Has she gone to school yet?她已经去学校了吗?3.as+形容词/副词原级+as 和……一样……4. watch sb./sth. doing sth. 看见某人/某物正在做某事watch sb./sth. do sth．看见某人/某物做某事四.重点句型1.I've just made a model spaceship.我刚刚做了一个宇宙飞船模型.2.1 haven't started yet.我还没开始呢.3.Astronauts have already been to the moon.宇航员已经去过月球了。

4.lt has gone there, but it has not come back yet. 它已经去了那里，但它还没有回来五.语法归纳(一)教材典句1. Has it arrived yet? 它已经到达了吗?2.I've just made a model spaceship.我刚刚做了一个宇宙飞船模型3.Astronauts have already been to the moon.宇航员已经去过月球了4.The astronaut has gone to the space station.这个宇航员去了太空站以上四个句子为现在完成时，表结果现在完成时常与 already，yet，just 等副词连用二)语法归纳1.现在完成时表示过去发生的某一动作对现在造成的影响或结果，强调现在的情况，它与现在有密切的关系它不能和表示过去的时间状语连用I have seen the film.我看过这部电影了解电影的内容) I saw the film last week.我上周看了这部电影只说明上周看电影这件事,不涉及现在)have/has been to, have/has gone to 与 have/has been inhave/has been to 意为“到过，去过”，表示曾经 Have you ever been to Hong Kong？到过某地，而此时人已不在那儿 你曾经去过香港吗？了。

have/has gone to 意为“去了”，现在人可能在去 Where is Lily? Has she gone to the的途中或已在那个地方了，而不 library?在说话人处莉莉在哪儿？她去图书馆了吗？have/has been in 意为“待在”，常和表示持续意 I have been in Harbin for three years.义的时间状语连用 我已经在哈尔滨待了三年了3.already 与 yet一般用于肯定句中，常与完成 He already knew about it then.时连用，与过去时连用时，谓 那时他已经知道此事了语动词一般要用延续性动词 I have already finished my有时 already 也用于疑问句中， homework.alread。