My favorite food is cabbage 用原形
cabbage和lettuce作为植物是可数名词,表示蔬菜是不可数名词.
名词cabbage作可数名词与不可数情况例析
■作为植物的“卷心菜”,指“一棵洋白菜”“一棵卷心菜”,通常可数.
如：
The cabbages germinated within a week.
白菜一星期内就发芽了.
He planted a row of cabbages.
他种植了一行洋白菜.
The cabbages were stored in the basement.
包心菜储藏在地下室里.
The leaves of a cabbage can be green,white or purple.
卷心菜的菜叶有绿色、白色或紫色的.
Two cabbages,three pounds of tomatoes and twelve oranges.
两棵白菜,3磅西红柿,12个桔子.
Given better attention,the cabbages could grow even faster.
白菜如照管得好会生长得更快.
■作为疏菜吃的（尤指切碎的或煮熟的）“卷心菜”“卷心菜叶”,不可数.
如：
Mother often makes dumpling filling with cabbage.
妈妈常用卷心菜做饺子馅.
Finely chop the cabbage and cook it in boiling salted water.
把卷心菜切碎,放进沸腾的盐水中煮.
Coleslaw is a kind of salad made of finely chopped cabbage and mayonnaise.
克思罗沙拉是用切碎的圆白菜和蛋黄酱做成的.
【谚语】Some persons like to eat radishes,others prefer cabbages.
萝卜白菜各有所爱.