一、名词复数规则1．一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds2．以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches3．以“辅音字母+y”结尾，变y为i,再加-es，如：family-families, strawberry-strawberries4．以“f或fe”结尾，变f或fe为v,再加-es，如：knife-knives5．不规则名词复数：man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice child-childrenfoot-feet,.tooth-teeth fish-fish, people-people, Chinese-Chinese, Japanese-Japanes二、（一）一般现在时的构成1. be动词：主语+be(am,is,are)+其它。
如：I am a boy.我是一个男孩。
2.行为动词：主语+行为动词(+其它)。如：We study English.我们学习英语。当主语为第三人称单数(he, she,it)时，要在动词后加"-s"或"-es"。如：Mary likes Chinese.玛丽喜欢汉语。（二）一般现在时的变化1. be动词的变化。否定句：主语+ be + not +其它。如：He is not a worker.他不是工人。一般疑问句：Be +主语+其它。如：-Are you a student? -Yes. I am. / No, I'm not.特殊疑问句：疑问词+一般疑问句。如：Where is my bike?2.行为动词的变化。否定句：主语+ don't( doesn't ) +动词原形(+其它)。如：I don't like bread.当主语为第三人称单数时，要用
