there's still half an hour left中的“left”在这里是什么词?动词?

there's still half an hour left中的“left”在这里是什么词?动词? There's still half an hour left. 中的left是什么意思,是什么词性? There's still half an hour left.与there is something wrong?中的 ·There's still half an hour left.与there is something wrong?中 There's an empt-y space still left in my Bob ,there is only half an hour left for the coming train. Half an hour has passed since the train left They left here half an hour ago.(同意句转换) there's none left.请问这里的left是什么意思呢? there is still half an hour to go There is only one left这里的left是什么词性 There is only an hour left.Please _take you