prevent sb from doing sth 其中sb用宾格还是主格?

prevent sb from doing sth 其中sb用宾格还是主格? prevent sb/sth from doing造句 prevent keep sb/stop/sth from sth doing sth造句 prevent sb to do sth / prevent sb from doing sth 阻止某人做某事 这两个 prevent sb.doing sth.\stop sb.from doing sth\keep\protect有什么 prevent sb. (from) doing sth （from可省略） 等于keep sb. (from) doi 赶紧回答~1.prevent/stop sb./sth.from doing sth哪个from可以去掉?2.现在完成时 Sb keep sb from doing sth造句 forbid sb from doing sth、 save sb from sth/doing feel sb doing sth 中sb是主格还是宾格? prevent sb.from doing sth.区别（防止、阻止某人做某事）