介词with、for、on的用法1.What time would you like your table?2.What vegetables would you like with your dinner?3.What would you like to have for your lunch?4.What would you like for your main dish?5.What would you like to do on your birthday?第1句无介词,第2句用with,第3、4句用for,第5句用on.这是为什么呢?

固定搭配

第一句是说你想定什么时间的桌位，不用介词，第二句是说吃饭的时候你想吃什么蔬菜，with代表的是同时发生某事，表伴随状态，第三句和第四句的for翻译为“作为”，指你想要什么作为你的午餐和主食，第五句代表生日那天想做什么，在生日那天是用介词on

　　一、on 的用法
　　1.关于、基础、靠、著论
　　Theory must be based on practice.
　　理论必须以实践为基础.
　　The people in the south live on rice.
　　南方人主食大米.
　　2.着、罢、出售、偷、公、假,故意、支付,相反、准
　　3.步行、驴、马、玩笑on,cab 和 carriage用in
　　on foot步行 on horse骑马 on donkey 骑驴
　　He rode on blood flowing from his side.
　　他骑着马,鲜血从腰部流下来
　　二、with的用法
　　1.伴随状态（如上面的with表拥有某物,with 表原因或理由等）,主要强调所处于的状态,一般在句中作状语,定语）eg:The girl with golden hair ;a man with a lot of money;
　　2.with有“和,与”的意思,for example:make friends with sb；play with sb;talk with sb,agree with sb等
　　3with有表示方式的用法：eg:write with pen;cut with knife等
　　4.with最常用的句式：with+宾语+宾补（宾补可用形容词,动词ing形式,不定式to do 形式,介词短语等等）
　　5.with表示让步,“虽有,尽管”