seem的用法.doc

Seem的用法一seem常常和不定式，形容词，分词，名词和介词短语搭配。如:1seem+不定式（短语）a)I seemed to hear a voice in the distance .b)Your advice seems to be doing me a favor .c)I seem to have caught a cold .注意：1seem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。2seem后不定式的否定式习惯上用 dont 来代替，（放在seem 前），如：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.注此句式出可看作是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。3Seem+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.二、seem常用于it作形式主语的“It seems/seemed that”结构，如：a) It seems that you were lying.b) It seemed that he had been a scientist.c) It seems impossible that he will be here tomorrow.注1）在这一句式中，常省去that，如例a可改为：It seems you were lying.2)间或在seem后可跟一形容词，如例c.三、seem常用于由as if/though引导的从句中，如：a) It seems as if it is going to rain.b) It seems as though our planll be perfect.c) It seems as if he knew nothing about that.d) It seems as if it was/were spring already.注在这种句式中，如从句所叙述的情实现的可能性比较大，从句谓语用陈述语气，如a,b两例；若实现的可能性较小，或根本不可能实现，从句的谓语则用虚拟语气，如c,d 两例。四、seem通常用在“It seems(seemed)to sb(that)”的结构中，这种结构常用来表示“行为”的主体，例：a) It seems to us a good chance.b) It seems to the emperor that the people were right.c) It seems to me eveyythingis all right.五、seems也常用在“there seem(s) to be”句式中，用来代替be，作句子的谓语。如：a) There seems to be no point in refusing.b) There seemed to be something the matter with him.c) There doesnt seem to be too much hope of our team beating theirs.注1）在这一结构中，seem表示“似乎有”、“看来”的意思，如：There seem to be a lot of things to do .(=It seems as if there were a lot of things to do.)2)There seem(s) to be +n”这个结构的否定形式为“There seem(s) to be +no+n.”（如例a）或（“There doesnt seem to be +n.”（如例c）.六、seem有时也同人称代词I连用，意为“感到好像、觉得似乎”等意，如：a)I seem unable to solve it right now.看来我无法立刻解决它。b)I seem to have seen him somewhere before.我好像以前