一从主
He said to Tom,I can help them.
He said to Tom that he could help them.
二从宾
He said to her,You can help them.
He told her that she could help them.
三不变
He said to Tom,They can help them.
He told Tom that they could help them.
上一篇： 英语句子六大成分英语的句子
下一篇： 定语从句详解（四）
体坛英语资讯：Iran lift Asian Mens Volleyball Championship title
秘鲁前总统藤森获准保外就医
英国女王2017圣诞演讲：家是温馨、熟悉和爱的来源
体坛英语资讯：Leaders China, United States fight hard for 3-2 win, to meet on Monday
国内英语资讯:China supports Europe in playing more active role in global affairs: FM
When We Get Angry 当我们生气了
体坛英语资讯：Bolivia midfielder Chumacero joins Mexicos Puebla
国际英语资讯:Family of 9 members killed in Saudi-led airstrikes in Yemens Sanaa
国际英语资讯:Syrian president supports Russia-Turkey memorandum on northern Syria situation: Kremlin
研究：你一开口面试官就知道你是哪种人
喷泉里的许愿币最后都去了哪里？
韩国提议与朝鲜举行高层会谈
国内英语资讯:China Focus: Third-generation hybrid rice achieves high yields in China
Therapy, treatment and remedy 三个与“治疗”有关的单词
Christmas gift alternatives 不一样的圣诞礼物
Britain's historic landmarks to be protected 英格兰新增一批“受保护历史建筑”
国内英语资讯:China sets schedule for becoming strong trading nation
国际英语资讯:Spotlight: United Nations bidding farewell to 2017 amid challenges, hopes
国内英语资讯:China Focus: CPC unveils regulation to promote transparency in Party affairs
体坛英语资讯：Real Madrid and Athletic Bilbao set pace in La Liga
国内英语资讯:China to renovate 5.8 million homes in 2018
国内英语资讯:China Focus: Lawmakers discuss report on cultural heritage, highlight people-oriented approa
有理有力有节！2017年外交天团十大精彩回应
国内英语资讯:Xi stresses construction, maintenance of rural roads
NASA提出新的概念引擎，据说能达到光速的99%
国内英语资讯:China Focus: China wins global applause for efforts in world peacekeeping
体坛英语资讯：Liverpool regain 5 point lead after hard-fought win at Chelsea
国际英语资讯:S. Africas official marketing agency urges collective effort to revive economy
有些人睡眠少身体棒？原来是基因决定的
Electronic Music 电子音乐