be supposed to的用法问题
问题描述:
be supposed to的用法问题
RT was supposed to 和 were supposed to 的情况
但感觉它和should差不多,should一般不出现过去式.所以be supposed to一般只用 is/are supposed to
答
不对,be supposed to是一个词组,be动词有时态之分的有 他过去应该做…… 的一说?