定语有前置定语和后置定语,修饰主语或者宾语。定语一般都是形容词、副词等。That is a beautiful house. beautiful是前置定语The man in that car is my brother. in that car 是后置定语简单陈述句一般分为 主+系+表 和 主+谓+宾 两种主+系+表 的系动词 是be动词或者感官动词(look,taste,sound,feel)等,还包括表示“当施加作用的时候会怎么怎么样”这样的动词,例如This kind of book sells good.这种书好卖。表语是名词性的词,如名词、代词、动名词、现在分词等如:He is swimming.他在游泳主谓宾 是更常见的,宾语可以是名词、代词、动名词等如:He likes to swim.I enjoy swimming.They go to school.助词一般是指结构助词,例如 do does have has 等,在疑问句中往往要倒装,have has 常常用在完成式中。例如Do you have a pencil?Has you finished that work?