主语+情态动词+not+be+过去分词......
如:(can, may, must, dare, should, ought to, need...)
eg. The little child needn't be looked after (by them).
主语+情态动词+not+be+过去分词......
如:(can, may, must, dare, should, ought to, need...)
eg. The little child needn't be looked after (by them).