九年级英语Unit12知识点

九年级英语Unit12《Life is full of the unexpected.》知识点【短语归纳】1. take a shower洗浴2. leave my backpack at home 把背包忘在家里3. get back to school 返回学校4. start teaching 开始教学5. go off 响铃6. rush out the door 冲出房门7. give sb a lift 捎某人一程8. miss both events 错过两个事件9. full of unexpected 充满着不可预知性10. be about to do sth 正要做某事11. stare in disbelief at 难以置信地盯着。

12. raise above the burning building从正在燃烧的楼上升起13. jump out of bed 跳下床14. collect the math homework 收数学作业15. complete the work for my boss 完成老板的工作16. make the apple pie 制作苹果馅饼17. show up 赶到，出现18. add the green beans 加绿豆荚【重点句子】1. By the time I got up, my brother had already gotten in the shower.当我起床时，我哥哥已经进了浴室了。

2. By the time I got outside, the bus had already gone. 当我出来时，公汽已经走了。

3. When I got to school, I realized I had left my backpack at home.当我到达学校时，我才意识到我把背包忘在家里了。

4. By the time I walked into class, the teacher had started teaching already.当我走进教室时，老师已经开始讲课了。

5. By the time I arrived at the party, everyone else had already showed up.当我到达晚会时，其他的每个人都已经到了。

6. When he put the noodles into the bowl, he realized he had forgotten to add the green beans.当他把面条放进碗里时，他意识到他忘了添加绿豆荚了。

7. Before she got a chance to say goodbye, he had gone into the building.在她得到一个向他告别的机会之前，他已经进入楼房了。

【单元知识点】1. By the time I got outside, the bus had already left. 当我出来的时候，公共汽车已经走了。

by the time作连词引导时间状语从句，当从句用一般过去时，主句用过去完成时；当从句用一般现在时，主句用一般将来时或将来完成时。

如：By the time he was ten, Tom built a chemistry lab himself. 等到了十岁的时候，汤姆自己建了一个化学实验室。

I’ll be in bed by the time you get home. 你到家时，我已经上床睡觉了。

2. When she got to school, she realized she had left her backpack at home. 当她到学校时，她意识到她把背包忘在家里了。

表示“把某物忘在某处”要用词组leave sth in a place。

如：I've left my umbrella at home. 我把伞忘在家里了。

I left my book on the desk. 我把书忘在桌子上。

forget意为“遗忘某物”，指忘记一件具体的东西，但不能有具体的地点。

如：I forgot my umbrella yesterday. 我昨天忘了带伞。

Don't forget the cases. 别忘了带箱子。

3. above adv. 在上面above的用法（1）作介词在……上面The moon is now above the trees. 月亮正位于树梢上。

在…之上，超过They are children above six years old. 他们是六岁以上的孩子。

高于；优于；胜过In the company, Dick ranks above Tom. 在公司里，迪克的地位比汤姆高。

不屑于；不致于He considered himself above doing such things. 他自认为是不会去做那种事的。

（2）作副词在上面；向上面There are snowy peaks above. 上面是白雪皑皑的群峰。

（级别、数目等）更高；更大；更多Men and women of eighteen and above are eligible to vote. 年龄在十八岁以上的男女有投票表决权。

在上文See the examples given above. 见上述例子。

（3）作名词上文；上述事实In addition to all of the above, she won a Prize in 1980. 除上述外，她还在1980年获奖。

4. alive adj. 活着的；有生气的alive, living 与live（1）alive 主要用作表语（有时可用作后置定语，但不用作前置定语），可用于人或动物。

如：He must be still alive. 他一定还活着。

注：若alive 本身有修饰语，则也可用作前置定语。

如：He is a really alive student. 他的确是一个十分活跃的学生。

（2）living 可用作表语或定语，可用于人或物。

如：Are your grandparents still living？你的祖父母还健在吗？alive 和living 表示“活着的”，两者含义很接近，只要句法适合，有时可互换。

如：谁是当代最伟大的诗人？Who is the greatest living poet？Who is the greatest poet alive？若需严格区分，两者仍有差别：living 通常是客观描述某人“尚在人间”或“健在”，而alive 则主要指生与死的“界限”。

如：He was still alive when I reached the hospital. 当我赶到医院时他还活着。

（3）live 通常只用作定语（前置），可用于动物或植物，但一般不用于人。

如：He bought some live fish. 他买了几条活鱼。

Only a few live trees were left after the fire. 火灾之后只剩下几棵树还活着5. empty （adj.）空的；空闲的（v.）排空；倒出（1）作形容词，常用表语或定语，此时其反义词是full。

如：He took his empty coffee cup back to the counter. 他把空咖啡杯送回到柜台。

We walked in the empty street. 我们走在空旷的街上。

（2）作动词，后常接宾语，此时其反义词是fill。

如：He emptied his tool bag. 他腾出自己的工具袋。

She emptied the box. 她倒空了箱子。

6. Last Friday night, my friend invited me to his birthday party.上周五晚上，我朋友邀请我参加他的生日晚会。

invite sb. to a place（或一活动、聚会）意为“邀请某人到某一地方或参加某一活动”；而invite sb to do sth. 意为“邀请某人做某事”。

如：I think we have many friends now, and we must invite them to our place.我想我们现在有很多朋友了，我们也应该邀请他们到我们家做客。

Kitty’s teacher Mr Wu invited me to join their school trip to the World Park.基蒂的老师吴老师邀请我参加了去世界公园的学校郊游活动。

7. Wells made it sound so real that hundreds of people believed the story and fear spread across the whole country.威尔斯讲述这个新闻起来如此的真实，以致成百上千的人都相信了这个故事，进而引发了全国性的恐慌。

so…that在此引导结果状语从句，so后面应加一个形容词或副词，意为“如此……以至于……”。

如：This book is so interesting that everyone in our class wants to read it.这本书是如此的有趣以至于全班同学都想看看。

（so＋形容词）He ran so fast that I couldn't catch up with him.他跑得那么快，以至于我跟不上他。

（so＋副词）表示“如此……以至于……”之意时，so…that, too…to do sth., enough to do sth. 这三个句型可互换使用。

（1）在so…that句型中，当主语和从句都是肯定式，且主、从句的主语指的是同一人时，可简化为enough to do sth.结构。

如：He ran so fast that he caught up with us quickly. =He ran fast enough to catch up with us quickly. 他跑得飞快，很快就赶上了我们。

（2）在so…that句型中，当主句和从句都是肯定式，但主、从句的主语不一致时，可简化成enough for sb. to do sth.结构。

如：The problem is so easy that she can work it out. =The problem is easy enough for her to work out. 这道题很容易，她能解答出来。