Unit 7 单元语法知识点+单元作文汇总 2023-2024学年人教版英语九年级全册

U7单元语法知识点和作文汇总 语法精讲 含有情态动词的被动语态 ◆ 温故 ◆ 在英语中，动词有两种语态，即主动语态和被动语态。 主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。 在八年级同学们已初步学习了被动语态，它的结构为：助动词be +及物动词的过去分词。 ◆ 知新 ◆ 本单元我们主要了解含有情态动词的被动语态。它的结构是什么呢？ 观察下面例句中含情态动词被动语态的各种形式，然后补全结论中所缺的内容。 【例句】 1. Many trees should be planted in the mountains. 应该在山上种许多树。 2. You can take this book home. （改为被动语态） →This book can be taken home (by you). 3. This problem can’t be worked out very easily. 这道题轻易算不出来。 4. Must the work be done at once? 这项工作必须立即完成吗？ 【结论】 A. 含有情态动词的被动语态的结构为：情态动词+_____+及物动词的______。 B. 含有情态动词的主动语态变为被动语态时，要把主动语态的_____变成被动语态的主语。 C. 变为否定句时只需要在情态动词后加________。 D. 变为一般疑问句时只需把________提到句首。 即学即练 一. 选择填空 1. The rivers smells terrible People must dirty things into it . A. be stopped to throw B. be stopped from throwing C. stop to throw D. stop form throwing 2. Paper first invented in China . A. is B. are C. was D. were 3. — Do you like the flower ? — Yes , it sweet . A. is smelling B. smelt C. is smelt D. smells 4. It snowed heavily last night . The ground thick snow . A. was covered with B. was filled with C. was made of D. covered with 5. The light in the room before you leave . A. must turn of B. will turn off C. are turned D. must be turned off 6. the kind of question often in your class , Ann ? A. Does , ask B. Is , asked C. Has , asked D. Will , ask 7. The bridge in three weeks . A. will build B. is built C. will be built D. builds 8. The old men and the children must in our country . A. take good care B. be taken good care C. take good care of D. be taken good care of 9. Paul doesn’t have to be made He always works hard . A. learn B. to learn C. learned D. learning 10. The girl was unhappy because she by some boys in the class . A. is laughed B. was laughed C. laughed at D. was l