Unit4Topic1重要语法知识点汇总2023-2024学年仁爱英语九年级上册

仁爱英语九年级单元重要语法知识点汇总 Unit4-topic1 　 一、重点词组 Section A  1. be allowed to do sth. 被允许做某事 2. play computer games 玩电脑游戏 3. spend too much time on sth. 在某事上花费大量时间 4. be made of... 由....制成(看得出原材料) 5. be used for doing sth. 被用来做某事 6. send...into... 把....送进..... 7. some day 未来某一天 8. come true 实现 9. It's bad for your health if you spend too much time on them. 如果你花太多时间在它们上面，对你的健康是有害的。 10. I wish I could go into space some day. 我希望我有一天能进人太空。 11. It's used for sending sallites or spaceships into space. 它被用来将人造卫星或宇宙飞船送人太空。   Section B  1. during one's life 某人的一生 2. be invented by... 由....发明 3. go this way 朝这边走 4. at that time 在那时 5. design for... 为....设计 6. make up 组成 7. It is widely used by people everywhere. 它被全世界的人们广泛使用。 8. It's said that he invented more than two thousand things during his life. 据说他一生有2,000多项发明。 9. Nowadays, their materials have been changed so that it feels more comfortable. 现今，为了让人们感觉更加舒适，它们的材料已经被改变了。    Section C  1. come about 出现，产生，形成 2. most of the time 大多数时候 3. make a model of... 做一个....的模型 4. come up with 想出 5. wild and crazy thoughts 疯狂的想法 6. again and again 一遍又一遍地 7. laugh at 嘲笑 8. None of these things was planted in fields. 这些物品没有一个是种在田地里的。 9. That's why now we have planes. 这就是我们现在拥有了飞机的原因。 10. This is the time to brainstorm for ideas and to evaluate them. 这是集思广益、评估观点的时候。   Section D  1. during the rest of time 在剩下的时间里 2. at any time 在任何时间 3. in any place 在任何地方 4. think of 认为 5. long ago 很久之前 6. the advantage of... ....的优点 7. Using the stars, they could find out where they were and in which direction they were going. 利用星星，人们就能发现他们在哪，他们正在朝哪个方向走。 8. The GPS is a great invention that helps us explore our planet and discover where we are. 全球定位系统是一项伟大发明，能帮助我们研究地球且确定方位。 9. This method worked well at night as long as the weather was good and the stars could be seen. 只要天气好，能看见星星，这种方法在晚上就会有很好的效果。 二、语法精讲 一般过去式的被动语态 被动语态表示主语是动作的承受者，即行为动作的对象。 (1) 一般过去时的被动语态构成: 主语+ was/were +及物动词过去分词。如: Cars were repaired by them.他们修好了汽车。 (2)  一般过去时的被动语态的否定式结构: 主语