1、高考英语语法复习主系表结构知识讲解一、主系表结构主系表结构是英文句子中常见的一种基本句型，由主语、系动词和表语构成，系动词用来连接主语和表语，表达主语的状态、特征或性质。以下是一些例子。1.他（主语）是（系动词）医生（表语）。English: He (subject) is (copula verb) a doctor (predicate).2.这个问题（主语）看起来（系动词）很复杂（表语）。English: This problem (subject) looks (copula verb) very complicated (predicate).3.这幅画（主语）似乎（系动词）很有意义
2、（表语）。English: This painting (subject) seems (copula verb) very meaningful (predicate).4.那座山（主语）变得（系动词）越来越高（表语）。English: That mountain (subject) becomes (copula verb) higher and higher (predicate).5.这首歌（主语）听起来（系动词）很动听（表语）。English: This song (subject) sounds (copula verb) very melodious (predicate).1.
3、她（主语）是（系动词）医生（表语）。English: She (subject) is (copula) a doctor (predicate).English: This problem (subject) looks (copula) very complex (predicate).3.那只小猫（主语）是（系动词）一只灰色的猫（表语）。English: That little cat (subject) is (copula) a gray cat (predicate).4.这首歌（主语）听起来（系动词）很悲伤（表语）。English: This song (subject) sou
4、nds (copula) very sad (predicate).5.天气（主语）变得（系动词）越来越热（表语）。English: The weather (subject) is becoming (copula) hotter and hotter (predicate).二、常见系动词系动词是一类特殊的动词，用来连接主语和表语，表示主语的状态、特征或性质。以下是一些常见的系动词：1.be（是、存在）：am、is、are、was、were、be、been、being例He is happy.（他很快乐。）2.become（变成）：becomes、became、becoming例She b
5、ecame a doctor.（她成为了一名医生。）3.seem（似乎、好像）：seems、seemed、seeming例It seems difficult.（这似乎很困难。）4.feel（感觉、觉得）：feels、felt、feeling例I feel tired.（我感觉很累。）5.look（看起来、好像）：looks、looked、looking例The cake looks delicious.（这个蛋糕看起来很美味。）6.sound（听起来、好像）：sounds、sounded、sounding例The music sounds amazing.（音乐听起来很棒。）7.taste（
6、尝起来、味道）：tastes、tasted、tasting例The soup tastes salty.（这汤尝起来很咸。）8.appear（出现、显得）：appears、appeared、appearing例He appeared nervous.（他显得很紧张。）9.remain（保持、仍然是）：remains、remained、remaining例The situation remains unchanged.（情况仍然没有变化。）10.grow（变得、长大）：grows、grew、growing例She grows more confident every day.（她每天都变得更自信
7、。）三、常见系统词举例说明1.be（是、存在）：She is happy.（她很开心。）The sky is blue.（天空是蓝色的。）They are students.（他们是学生。）The house is big.（房子很大。）2.seem（似乎、好像）：He seems tired.（他看起来很疲倦。）It seems difficult.（这似乎很困难。）She seems upset.（她似乎很不开心。）He seems happy today.（他今天看起来很开心。）3.appear（出现、显得）：The situation appears complicated.（情况看起
8、来很复杂。）He appears confident.（他显得很自信。）She appears lost.（她显得迷失了方向。）It appears that he has changed his mind.（看来他改变了主意。）4.become（变成）：She becomes a teacher.（她成为了一名老师。）The food becomes cold.（食物变冷了。）He becomes angry easily.（他容易生气。）She becomes more beautiful every day.（她每天都变得更美丽。）He became a doctor after yea
9、rs of hard work.（经过多年的努力，他成为了一名医生。）I feel happy.（我感觉很开心。）She feels sick.（她感觉不舒服。）He feels nervous.（他感到紧张。）She feels sad about the news.（她对这个消息感到难过。）He feels tired after working all day.（他工作了一整天后感到疲倦。）5.look（看起来、好像）：You look tired.（你看起来很累。）The house looks old.（这房子看起来很旧。）It looks like rain.（天看起来要下雨。）You look beautiful in that dress.（你穿着那件衣服看起来很美。）The sky looks clear today.（今天天空看起来很晴朗。）He looks nervous before the interview.（面试前他看起来很紧张。）在这些例子中，系动词起到连接主语和表语的作用，表达了主语的状态、特征或性质。3
