it was not until the meeting was over that he began to teach me english这句话主语是什么
问题描述：
it was not until the meeting was over that he began to teach me english这句话主语是什么
答
he began to teach me english
这是强调句
答
这句是强调句
it was ……that 去掉
就是正规的not until倒装句了
答
强调句， he did not begin to teach me english until the meeting was over
句意：直到会议结束他才开始教我英语。
如果说是it作形式主语的话，好像多了一个is
答
it是形式主语，真正主语是he began to teach me english
答
形式主语是it
实际主语是he began to teach me english