Unitampnbsp6ampnbspTheampnbspAdventuresampnbspofampnbspTomampnbspSawyer

　　unit 6 the adventures of tom sawyer(一)宾语从句的连词：(1) 当宾语从句原为陈述句时，用that引导，但是that可以被省略。tom isn＂t a good student. the teacher told us… the teacher told us tom wasn＂t a silly boy.老师告诉我们汤姆不是一个傻孩子。he has given up smoking. she said… she said he had given up smoking.她说他已经戒烟了。(2) 当宾语从句原为一般疑问句时，用whether或if连接，原疑问句要变化。is jim a doctor? i wonder… i wonder whether jim is a doctor.我想知道吉姆是否是个医生。(助动词is,移到主语jim后)does she dance well? can you tell me… can you tell me if she dances well?你能告诉我她舞跳的是否好吗？(外加助动词does删除，动词dance加s)(3) 当宾语从句原为特殊疑问句时，原疑问句要变化。where were you going? she asked me… she asked me where you were going.她问我你去哪里。(助动词were,移到主语you后)what did he want to do? she wondered… she wondered what he wanted to do.她不知道他想干什么。(外加助动词did删除，动词want加ed)(二)宾语从句的时态：**宾语从句的时态原则上应与主句的时态保持一致。(1) 如果主句是现在时态，宾语从句时态不受限制。i don＂t know who they are talking about.我不知道他们正在谈论谁。i have heard the window was broken by john.我已经听说窗户是被约翰打破的。(2) 如果主句是过去的时态(包括一般过去时)，宾语从句必须改用过去的某一时态(将助动词改成过去时)he said he would kill her.他说他会杀了她。(will--would)she told us lucy had returned home.她告诉我们露茜已经回家去了。(has--had)mary was wondering who could answer the question.(can--could)玛丽想知道谁能回答这一问题。(一般过去时)i didn＂t told them where you were having the meeting.我没有告诉他们你们正在哪儿开会。(过去进行时)**如果宾语从句表示的是科学其理、客观事实或格言警句等，从句一律用一般现在时。granny told me that the earth moves around the sun.奶奶告诉我地球围绕太阳转。she said a friend in need is a friend indeed.她说患难朋友才是真正的朋友。