第页1语法讲解句子成分1句子的成分的种类2句子的基本语序3主语例如1Duringthe1990sAmericancountrymusichasbecomemoreandmorepopular2WeoftenspeakEnglishinclass3Onethirdofthestudentsinthisclassaregirls4Toswimintheriverisagreatpleasure5Smokingdoesharmtothehealth6Therichshouldhelpthepoor7WhenwearegoingtohaveanEnglishtesthasnotbeendecided8Itisnecessarytomasteraforeignlanguage4谓语谓语的构成如下1简单谓语如HepracticesrunningeverymorningTheplanetookoffattenoclock2复合谓语如YoumaykeepthebookfortwoweeksHehascaughtabadcold5表语表语用以说明主语的身份特征和状态之后例如1OurteacherofEn