进行式应为:to be being done
前面的to be 都是固定不变的啊... 然后根据情况,选择的它后面的 过去分词. (正确!)
eg. The manager demands the machine to be repaired.
The manager demands the machine to be being repaired.
进行式应为:to be being done
前面的to be 都是固定不变的啊... 然后根据情况,选择的它后面的 过去分词. (正确!)
eg. The manager demands the machine to be repaired.
The manager demands the machine to be being repaired.