be kept alive
alive是受詞補語 類似的句子有: Their goal was to keep alive the traditional Jewish faith.(這句的受詞因為太長而移到受詞補語alive的後面...
...last year but my mother is still alive.(主詞補語） Their goal was to keep alive the traditional Jewish faith.(補語）
...是指剛好和...一樣多 We are given just so much food as will keep us alive. = We are given some food. The amount is just enough to keep us alive...