主語補足語,也就是“主補”了
還原成主動語態(tài)：
we estimate services growth to have been 19.1%.
to have been 19.1%做賓語補足語,因此原句里面就是主語補足語了
分析下services growth is estimated to have been 19.1%.
分析下services growth is estimated to have been 19.1%.
services growth is estimated to have been 19.1%.其中to have been ..是作狀語還是作什么語
services growth is estimated to have been 19.1%.其中to have been ..是作狀語還是作什么語
英語人氣：266 ℃時間：2020-06-13 16:25:37
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