英语句子的种类n 一、句子种类两种分类法 n ( 一 ) 、按句子的用途可分四种: n 1 、陈述句(肯定、否定): n He is six years old; n She didnt hear of you before. n 2 、疑问句(一般、特殊、选择、反意): n Do they like skating? n How old is he? n Is he six or seven years old? n Mary can swim, cant she? n 3 、祈使句: n Be careful, boys; n Dont talk in class n 4 、感叹句:How clever the boy is!