英：When was it invented and who was it invented by?语法：be invented by sb 由……发明的
这是被动语态的一种常见语法现象。by+..表示动作的执行者。而当动作的执行者不重要或者未知时可以省略by+...。比如：when was it invented？它是什么时候被发明的？该句的提问重点在被发明的时间，而不是被谁发明，所以by可以省略。who was it invented by？它是被谁发明的？该句的提问重点在被谁...
1. When was the zipper invented? 2. Who was it invented by? 1. When was the zipper invented? 该句询问拉链的发明时间,使用疑问词 "when" 引导,并遵循特殊疑问句的语序:疑问词 + 助动词 + 主语 + 动词。 2. Who was it invented by? 该句询问拉链的发明者,使用疑问词 "who" 引导,并遵循...
Hello,everyone!MynameisLiHua.Therearelotsofgreatinventionsintheworld.1.Theyhavechangedourlifealot(它们已经在很大程度上改变了我们的生活).However,myfavoriteinventionisthelightbulb.It2.wasinventedby(被……发明)ThomasEdison,aworld－famousinventor.ItwasinventedonOctober21,1879.Thefirstlightbulb3.wasmadeofglassan...
1.When was the telephone invented?电话是什么时候被发明的? I think it was invented in1876.我认为它是在1876年被发明的。 2.Who was it invented by?它是由谁发明的? It was invented by Whitcomb Judson.它是由惠特科姆·贾德森发明的。 以上句子都是关于一般过去式的被动语态的句子。动词的时态体现在助...
3. Who invented the zipper? And when was it invented? 相关知识点: 试题来源: 解析 WhitcombJudson;in 1893【答案】Whitcomb Judson;in 1893【核心短语/词汇】invent发明【翻译】是谁发明了拉链?什么时候发明的?【解析】根据常识可知,拉链是由Whitcomb Judson在1893年发明的。故答案为Whitcomb Judson;in 1893。
3.情境创设:通过问答游戏,引导学生思考一般过去时的被动语态,如:“Who invented the computer? It was invented by Mr. Wang. But can you tell me in the past passive voice?” (二)讲授新知 1.一般过去时的被动语态:讲解一般过去时的被动语态的构成规则,如“was/were + past participle”,并通过示例进行...
16. -What a strange machine! Do you know ___－I'm not sure. Maybe people make bread with it.A.what is it used forB.what it is used for C.who was it invented byD.who it was invented by 17. -Joe, don't eat too much ice-cream.－OK, Mom. But it ___ really good.A.feel...
百度试题 结果1 题目()29.was it invented by?-It was invented by Mr. Li. A. Who B. When C. Where 相关知识点: 试题来源: 解析 29.A 反馈 收藏
When was tea brought to Korea? 这两个句子都是特殊疑问句,需要调整语序以符合语法规则。 第一个句子询问发明者,因此应使用“Who”引导,并调整语序为“Who was it invented by?”。 第二个句子询问茶叶被带到韩国的时间,因此应使用“When”引导,并调整语序为“When was tea brought to Korea?”。 最终答案...