1. 名词,代词通常做主语。动词做谓语。助动词指do,does,did,will, 等 情态动词指can,may,must,should,need 等 系动词指be(am,is,are,was,were),look, seem (看起来,似乎好像),feel (觉得),sound (听起来),taste (尝起来),smell (闻起来)常用句式 1. 主语+ 谓语+ 宾语I like apples. 2. 主语+ 系动词+ 表语She is very worried. 3. 主语+ 谓语+ 宾语+ 宾补 The story made us laugh. 4. 助动词/ 情态动词+ 主语+ 动词+ 其他 Do you like apples? 5. 特殊疑问词+ 助动词+ 主+ 动词+ 其他 What do you like best? 6.often ,usually , just , already , ever , never 等时间状语通常放在系动词,助动词后,实意动词前。 I have never been late for school. My father often