when 和while的用法区别（The usage difference between when and while）.doc

下载文档 降价啦

10
0
约5.86千字
约 6页
2017-08-31 发布于河南
举报
版权申诉
保障服务

when 和while的用法区别（The usage difference between when and while）.doc

1、本文档共6页，可阅读全部内容。
2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。

when 和while的用法区别（The usage difference between when and while）

when 和while的用法区别（The usage difference between when and while） The usage difference between when and while The difference between the two is as follows: When is at, or, during, the, time, that, either point of time or point of time; While during the time that, only for a period of time, so when they can terminate the verb in the verb, can also be a continuation of the verb, and the verb while must be a continuation of the verb. The when clause and the main clause action action can be at the same time, can also be occurred; while emphasizes the main action occurs in the clause action happening or in the process of the main clause two action at the same time. The when they have in the past, when using the past tense clause; if the clauses of the action at the same time, both in the past time, the use of while guidance, such as: A., When, the, teacher, came, in, we, were, talking. When this sentence changes the position of the main clause, it is: While, we, were, talking, the, teacher, came, in. B., They, were, singing, while, we, were, dancing. When and while can also be used as coordinate conjunctions. When means at that time; while means yes, but table contrast. Such as: A., The, children, were, running, move, the, bag, of, rice, when, they, heard, to, the, sound,, of, a, bike., motor The children were running to move the bag of rice when they heard the sound of a motorcycle. B., He, is, strong, while, his, brother, is, weak. He is strong but his brother is thin. The difference between When and While When is at or during the time that, which refers to the point in time, can also refer to a period of time, while during the time that, only for a period of time, so when they can terminate the verb in the verb, can also be a continuation of the verb, and the verb while must be a continuation of the verb. The when clause and the main clause action action can be at the same time, can also be occurred; while emphasizes the main action occurs in the clause action happening o