seem,as if用法.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,seem,seem,可用作连系动词或不及物动词，意为“,似乎，好像,”，其常见的用法有：,一,seem,常常和不定式，形容词，分词，名词和介词短语搭配。,如,:,1,seem+,不定式（短语）,I seemed,to hear,a voice in the distance,我好像听到那边有声音。,Your advice seems,to be doing,me a favor.,你的建议似乎帮了我个大忙。,I seem,to have,caught a cold.,我好像感冒了。,注意：,1.seem,后跟不定式（短语）时，要注意不定式所表示动作发生的时间，以此来确定不定式的时态。,不定式的一般式,(to do),表示的动作或状态通常发生在谓语动作之后或同时发生,进行式,(to be doing),表示其动作正在进行，与谓语动词发生的动作同时进行。,完成式,(to have done),表示的动作或状态通常发生在谓语动作之前。,2.seem,后不定式的否定式习惯上用,dont,来代替，放在,seem,前：,You dont seem to be quite yourself today(=You seem not be quite yourself today.),2.seem+,形容词,a)She seems quite,happy,today.,b)The enemy seems,powerful,but in fact it is weak.,注,此句式可看作是,seem+to be+adj.,句式的一种简化形式。,如例,a,可转换为：,She seems,to be quite happy,today.,例,b,可转换为：,The enemy seems,to be powerful,but in fact it is weak.,但目前由于英语的发展，,seem+to,be+,形容词结构的用法已越来越少，,seem+adj,的结构已趋成型，属口语语体,。,3,Seem+,分词,a)The situation seemed quite,encouraging.,b)The news seems,exciting,.,c)They seems,interested,in the film.,注,seem,后用现在分词还是过去分词取决于分词本身的逻辑主语，如句中的主语（盍作的执行者）是分词的逻辑主语，用现在分词，反之用过去分词。,4,、,seem+,名词,a)She seems,a clever girl.,b)Her mother seems,a teacher,.,c)It seemed,a long time,before my turn came.,5.seem+,介词短语,They seemed,in high spirits.,seem,常用句型,用于说明主语的特征或状态，表语多为名词或形容词，有时是其他的词或短语。,e.g.,Tom seems(to be)a very clever boy.,Tom,似乎是一个聪明的孩子。,Mr.Black seemed(to be)quite happy.,布莱克先生好像十分快乐。,一、主语,+seem+(to be)+,表语,二、“主语,+seem+,不定式”,此句型中的,seem,与不定式一起构成复合谓语。,The young man,seemed to have changed,much.,这个年轻人看起来变化很大。,Mrs,Green doesnt,seem,（或,seems not,）,to like,the idea.,格林夫人似乎不太喜欢这个主意。,It seems that,用法,此句型实质上是“主系表”结构。其中,it,是人称代词，并无实意，指的是某种情况，,seems,为系动词，,that/as if,引导,表语从句,。,一、,It seems that,表示“看起来,”,。,强调根据一定的事实所得出的一种接近于实际情况的判断，可以说表示事实。（可以转换成“名词或代词,seem,动词不定式”句型，其意不变，如果动词不定式为,to be,形容词时，,to be,往往省略。）,It seems to me that he has known everything.(He seems to have known everything),二、,It seems as if.,也表示“看起来,，似乎,”,。,使用该句型表示可能：若从句表示的是很可能实现的事情，从句谓语用陈述语气；若从句表示的是与事实相反的假设或实现的可能性很小的事情时，则从句谓语要用虚拟语气。,1,、,从句的谓语动词常用虚拟语气来表示所设想的事情不真实或不可能发生,/,存在。,It seems as if it were autumn.,现在仿佛是秋天似的。,2,、,如果可能性很大则用陈述语气，或者句中的情况可能发生或可能被设想为真实，则仍然用陈述语气。,It seems as if our team is going to win.,看来我们队要胜了。,1 as if 从句用,陈述,语气的情况。,当说话者认为句子所述的是,真实,的或极有,可能发生或存在的事实时。,如：It sounds as if it is raining,He talks as if he is drunk,从他谈话的样子来看他是醉了。,2 as if 从句用,虚拟,语气的情况。,当说话人认为句子所述的是,不真实,的或极少有,可能发生或存在的情况时。,从句虚拟语气动词时态的形式如下：,（,1,）如果从句表示与,现在,事实相反，谓语动词用,一般,过去,时。,如：,你,看上去好像并不在乎。,他,说话的样子，好像他知道她在哪里似的。,You,look,as if you,didn t,care,He,talks,as if he,knew,where she was,（2）从句表示与,过去,事实相反，谓语动词用“,had过去分词,”。,如：He talk,s,about Rome as if he,had been,there,before,他说起罗马来好像他以前去过罗马似的。,那女孩倾听着，像已经变成了石头似的。,The girl,listened,as if she,had been turned,to,stone,（,3,）从句表示与,将来,事实相反，谓语动词,用“,would,could,might,动词原形,”。,如：,他张开嘴好像要说什么。,看来好像要下雪了。,He opened his mouth as if he,would say,something,It looks as if it,might snow,as if,的省略情况,当,as if/though,从句中的主语与主句中的主语一致时，可以省略,as if,从句中的主语（和,be,动词），情况如下：,as if+,形容词,1.He lay still for a long while as if,(he were),dead,.,2.He left the room hurriedly,as if,(he was),angry,.,as if+,名词,e.g.He acts as if(he were),a fool,.,as if+,介词短语,e.g.He looked about as if(he was),in search of,something.,as if+,to do,1)He raised his hand as if(he was going),to say something.,2)He opened his lips as if(he were),to make some reply.,as if,+,现在分词（,doing,）,1)From time to time Jack turned round as if(he was),searching,for someone,2)He paused as if,expecting,Mary to speak,.,There seem to be+,名词,to be,可以省略，,seem,的单复数形式要根据后面作主和的名词的单复数形式而定。,There doesnt seem,to be much hope,of our beating that team.,我们队似乎不太可能打赢那支队。,There seems,no need,to wait longer.,看来没有再等的必要了。,英语中的双宾语,双宾语由直接宾语和间接宾语组成。,直接宾语是谓语动词的承受者，间接宾语表示谓语动作的方向或目标，间接宾语紧接在谓语动词之后，它和直接宾语组成双宾语。,I will fetch,you,a chair,常见能接双宾语的及物动词有：,Give,teach,buy,lend,find,hand,leave,sell,show,read,pay,make,offer,build,pass,bring,cook,等。,间接宾语可以用一个由,to,或,for,引起的短语来表示，这时间接宾语置于直接宾语之后。如：,I will fetch a chair for you,.,顺口溜,用下列顺口溜来记住和,for,搭配的，其它的和,to,搭配。,厨师（,cook,）订购（,order,）画（,draw,，,paint,），做（,make,，,do,）好就去拿（,get,，,fetch,）；节省（,save,）买（,buy,）的钱，唱（,sing,）着玩着（,play,）就回家。,其它的如,pass,，,give,，,show,，,lend,，,write,，,send,，,bring,，,read,，,offer,等和,to,搭配,。,