小升初必備語法：短語動(dòng)詞的被動(dòng)語態(tài)

短語動(dòng)詞是一個(gè)整體，不可丟掉后面的介詞或副詞。
    This is a photo of the power station that has been set up in my hometown.
    My sister will be taken care of by Grandma.
    Such a thing has never been heard of before..