新概念一册139课

1、Lesson140,.,Was John answering the telephone?,.,Yes, he was. The telephone engineer.,s,.,ex,tra,extra,over,seas,overseas,engine,er,ing,com,pany,company,line,.,Unit 70,.,.,1,2,3,4,5,6,我很棒！,.,company,伴侣；朋友,.,我很棒！,.,extra adj.额外的,adj. 附加的,extra money,.,我很棒！,.,line n.线路,v. 画线于；排列；使成行 in line 排成一行 row n.

2、 排,我很棒！,s,.,翻译一下吧！,My wife wants to know if Mary needs any help. if或whether引导宾语从句时，作“是否”讲。一般情况下，两者常可换用，在口语中多用if。,宾语从句,.,I dont know if he will come, if he comes, please tell me. 这句中两个if 意思是一样的吗？它们是什么意思？,.,if 与whether,在动词不定式之前只能用whether 。 I cant decide whether to stay. 我不能决定是否留下。 I want to know wheth

3、er its good news or not . 我想知道是否是好消息。 在whether or not 的固定搭配中。,.,2 if或whether引导的宾语从句时，用陈述句语序。 3 if或whether引导的宾语从句应和主句的时态保持一致。,.,His father is worried about whether he lose his work . 他的父亲担心是否会失去工作。 在介词后， 只能用whether。 Whether they can finish the work on time is still a problem . 他们是否能准时完成这项工作还是个问题。 宾语从

4、句放在句首表示强调时，只能用whether 。,.,Could you tell me if you know the answer ? 这句话有两种意思：“你能告诉我是否知道答案吗？”或“如果你知道答案，请告诉我，好吗？”。如用whether可避免歧义. 用if会引起歧义时， 只用whether,.,我很棒！,.,.,.,我很棒！,.,I want to know if you are late. Tell me if you are late. I want to know why you are late. Tell me why you are late.,I want to know if you are dirty. Tell me if you are dirty. I want to know why you are dirty. Tell me why you are dirty.,I want to know if you are lazy. Tell me if you are lazy.