人教版高中英语必修二Unit4-Wildlife-protection-learning-about-language-and-Grammer课件.ppt

Learning about LanguageWord distinguish:be in danger 处于危险之中处于危险之中be out of danger 脱离危险脱离危险The patient is in danger.be in danger of 处于处于的危险中的危险中She was sick and in danger of (losing her life).help out of dangerbe a danger to(us)They are in danger./ They are endangered.他们处在危险当中。他们处在危险当中。They are dangerous. 他们他们(对别人对别人)危险危险.The monitor suggested a visit to that hill this week. The monitor suggested visiting that hill this week.The monitor suggested we ( should) visit that hill this week.The experts suggested to the government several possible solutions to the problem. The smile on his face suggested that he was glad to help.生效；开始实施生效；开始实施实际上实际上come into effect 开始起作用；见效开始起作用；见效in effect take effectThe old mans words _ me, and I always remember what he said.Lucy said she left her homework at home, _ she didnt finish it. The medicine_ in one hour after you take it. This new teaching system of our school _ next month. had an effect onin effecttakes effectwill come into effectGrammer现在进行时被动现在进行时被动语态的构成：语态的构成： 现在进行时的被动语态有肯定式、否定式、现在进行时的被动语态有肯定式、否定式、 一般疑问式及特殊疑问式四种结构，现分一般疑问式及特殊疑问式四种结构，现分 述如下：述如下： 1. 肯定式：由肯定式：由“主语主语+am/is/are+ being+过去过去分词分词”构成构成,其中的其中的am/is/are及及being均是助均是助动词，无任何词汇意义。动词，无任何词汇意义。 A new house is being built over there. They are being trained at the center.2. 否定式：由否定式：由主语主语+am/is/are+ not+ being+过去分词过去分词构成。构成。 The question is not being discussed at the meeting. I am not being helped at present.3. 一般疑问式及其回答由“Am/Is/Are+主语+being+过分？”构成，答语一般采用简略式，使用助动词am, is或are。1) Is the car being repaired?Yes, it is. / No, it isnt.2) Are they being treated by the doctors ?Yes, they are. / No, they arent.特殊疑问式及其回答主要有三种句式，特殊疑问式及其回答主要有三种句式，回答时，不能使用回答时，不能使用yes或或no，而应根据，而应根据实际情况回答。实际情况回答。 a:疑问词（作主语）疑问词（作主语）is/are+ being+过去分词？过去分词？ What is being done over there?A new lake is being built.特殊疑问式及其回答主要有三种句式，回特殊疑问式及其回答主要有三种句式，回答时，不能使用答时，不能使用yes或或no，而应根据实际，而应根据实际情况回答。情况回答。b:疑问词（作定语）主语疑问词（作定语）主语is/are+ being+过去分词？过去分词？ How many apples are being shipped?One hundred tons.特殊疑问式及其回答主要有三种句式，回特殊疑问式及其回答主要有三种句式，回答时，不能使用答时，不能使用yes或或no，而应根据实际，而应根据实际情况回答。情况回答。c:疑问词疑问词+is/are+主语主语+being+过去分词过去分词?Where are the machines being repaired?In the factory.现在进行时被动现在进行时被动语态的用法语态的用法 1. 表现正在进行或发生的被动动作，常表现正在进行或发生的被动动作，常与与now, look等词连用。等词连用。 He is being operated on in the hospital. Helicopters are being sent (by us )to rescue them now. 2. 表示现阶段或目前这段时间正在进行表示现阶段或目前这段时间正在进行的被动动作，但这一被动动作在此时的被动动作，但这一被动动作在此时此刻不一定正在发生。此刻不一定正在发生。 A new factory is being built. They are being taught English atpresent.3. 表示一种经常性或习惯性的被动行为，表示一种经常性或习惯性的被动行为，常与常与always, forever, continually, constantly等词连用，往往带有夸张、等词连用，往往带有夸张、羡慕、赞扬、责备、厌烦及埋怨等感情羡慕、赞扬、责备、厌烦及埋怨等感情色彩。色彩。 The naughty boy is always being scolded by his father. Tom is always being praised by the teacher. 4与情态动词连用，表示对现在正在发生与情态动词连用，表示对现在正在发生的被动行为的推测。的被动行为的推测。(1)John is not here.He must be being interviewed (2)Do you know what smith is doing? He is ill. He may be being examined by the doctor.1. 注意助动词的运用。 现在进行时的被动语态有两个助动词，一是助动词be的相应形式，为现在进行时的助动词；二是助动词being，为被动语态的助动词，这两个助动词缺一不可，并且不可颠倒顺序。 这些动物目前正被放了出来。 The animals are being set free at present.注意注意2. 注意短语动语后面的介词不可漏掉。有些动词短语如take care of, look after, talk about等，用于被动结构时，后面的介词不可漏掉。 The baby is being taken good care of.3. 注意动词的性质。 有些动词，通常是不及物动词即表示某种情况或状态动词，如：appear, rise, die, happen, occur, lie, belong to, break out, take place, fit, mean, become, fail, consist of, look like 及cost 等不可用于被动语态。4. 注意时间状语及上下文的含义。现在进行时的被动语态一般不与表示一段时间的状语或表示次数的状语连用。1. I still dont know what _ while I was away. A. has happened B. was happened C. happened D. had happened2. The bridge which _ last year _ really beautiful. A. was built; looks B. was building; looks C. was built; is looked D. was building; is looked3. The manager told me that he _ in 1975. A. has born B. born C. was born D. had born4. The camera you _ now _ to me. A. use; is belonged B. are using; is belonged C. use; is belonging D. are using; belongs 5. I _ that they _ a new machine. A. was told; were designing B. told; were designing C. was told; designing D. told; had designed完成下面的句子。完成下面的句子。1. The news _ (被讨论被讨论) about everywhere.is being talked2. A lot of tall buildings _ (建立建立), and people will move in next year.are being set