这公司已经成立了多久了.Translate it into English.Please provide a better answer and explain in mandairn.What is the differences among these sentences as below?1)how long the period has this company been established.2)how long time has this

来源：学生作业帮助网编辑：作业帮时间：2024/05/05 05:05:09

这公司已经成立了多久了.Translate it into English.
Please provide a better answer and explain in mandairn.
What is the differences among these sentences as below?
1)how long the period has this company been established.
2)how long time has this company been established.
3)how long has this company been established.
updated on 01-October-2011.
1)'How long time' is always incorrect.
2)How long time is wrong.Say:How long did you wait for me?Theoretically,you could say:How long a time did you wait for me?but it isn't very common.

第三个是对的,前面两个都是词义重复,句子是错的,无法翻译.

3 正确

第三个正确的

前2句，chenglish, 后一句OK

美国成立多久了? 北京北方火车头科技公司怎么样啊这个公司有信誉么?成立多久了阿] 双引号成立多久了啊? 双引号成立多久了啊? “桑格”科技,成立多久了? 360公司成立多少年了? 这公司已经成立了多久了.Translate it into English.Please provide a better answer and explain in mandairn.What is the differences among these sentences as below?1)how long the period has this company been established.2)how long time has this 合肥聪明树早教中心成立多久了? 万里长城已经做了多久啦? 比萨斜塔已经倾斜了多久 1.These /those 可做主语么?2.这家公司已经成立了30年.请问怎么翻译,可以用现在完成么? 中译英“货物已经交给A公司了” 有人知道双引号到底成立多久了吗? 这个政策已经被实行多久了?英语翻译地球上的生命已经存在了多久? 人类的历史已经有多久了?请回答：怎么知道牧场动物已经活了多久? 1.three days later 表示过去时间吗?能用在一般将来时吗?2.这家公司已经成立了20年.能用现在完成时被动语态来翻译吗?用establish 行么?为什么，看到说用于一般过去时态啊？