英文论文怎么引用原文

用引号，或者直接在句子中表明引用也是可以的。最后在备注的一栏再表明引用的来源即可。

一般情况下，如果只有一句话的时候，如果是在句尾，就可以省略了，否则就是两个句号在一起重复不好看嘛，我从事论文写作行业7年有余了，仅仅是个人的一点小经验，希望可以帮助到你。

你列举的感觉并不是引述句啊，引述一般都是要用你的话把别人的话转一道。你列的不就是直接引用吗引用句有时会直接引用名词和形容词引述名词引用名词可在后面加that, to do或wh词，通常用名词或形容词引述的时候，不会用到原文，而是用自己的话来描述被引用的观点事实 当遇到acknowldgement, advice, allegation, announcement, answer, argument, comment, decision, explanation, forecast, guarantee, indication, observation, promise, recommendation, reply, speculation, statement, suggestion, threat, warning，用名词+that从句的形式，且that通常不能省略。例：The claim is often made that smoking causes heart        The jury came to the conclusion that the woman was 遇到名词decison, invitation, encouragement, instruction, order, promise, recommendation, refusal, threat, warning，通常用名词+to do从句，其中部分名词后面也可以跟that从句例： I accept Luisa's invitation to visit her in R        He gave me every encouragement to take up painting        They carried out their threat to dismiss workers on （或heir threat that tehy would dismiss workers on ）遇到名词question, issue, explanation, discussion, problem时，用名词+wh从句，且名词后通常加of例：Juan raised the question of when the money would be        Our previous meeting looked at the issue of how to increase  以上很多名词还可以在后面+as to+wh从句或as to+wh词+to do来引出问题或话题，as to也可以被对应的介词替代例： She asked my advice as to what subject she should study at （或advice ）        There was some discussion as to whether the price included tax or （或discussion ）         Before we left we gave them strict instructions as to how to cook （或者about how ）引述形容词 引述某人的感受或观点时可以用形容词+that从句，此类形容词除以下例句还有adamant, agreed, angry, annoyed, grateful, insistent, sure例：The builders are certain that they'll be finished by the end of next   表示不确定的形容词后跟wh从句，这类形容词除以下例句还有doubtful（通常跟wheter），uncertain, not certain, unsure例：Scientists aren't sure where the remains of the satellite will   某些形容词后面通常跟介词+名词短语，这类形容词又apologetic, comlimentary, insulting, tactful(+about), dismissive, scornful(+of), abusive, sympathetic(+to/towards)例：Today's newspapers are very critical of the President's decision to appoint Mr W