be in后面加什么词性

　　例句：

　　I think a drink would be in order.

　　我想可以喝杯饮料了吧。

　　I wouldn't want to be in his shoes.

　　我不愿意处于他的境地。

　　The verb should be in the singular.

　　这个动词应当用单数形式。

　　I wouldn't like to be in your place.

　　我可不想处于你的境地。