be to do结构表示什么意思,与will be结构有何不同,在什么时候使用be to do?例句：We were to meet again.She is to study law the moment she has finished middle school.

be to do结构表示什么意思,与will be结构有何不同,在什么时候使用be to do?例句：We were to meet again.She is to study law the moment she has finished middle school. he is ambitious to succeed in politics与he is ambitious for success in politicsbe ambitious to do sth有这个结构吗be ambitious for 后接什么词呢be ambitious to do sth与be ambitious for表示什么意思说说它们的用法与注意 关于never to do与only to do的用法有没有never to do 这个短语?only to do 是表示意想不到的事情,never to do 表示什么意思?还有什么类似的+to do的结构吗?还有Mr Black hoped that she tried to never miss the chance为 Wi-Fi'什么意思? be supposed to do什么意思? the water was to be fundamental to the development of life .这里的was to be是be to do结构吗?如果是的话,表示什么呢?不是的话是什么句型结婚呢? be doing与be going to do有什么区别? suppose sb./sth.(to be) +形容词 / 介词短语的结构与suppose sb./sth.to have done 的结构的意思是还有suppose ＋ it ＋形容词 / 名词＋ to do 的结构.急,半小时内回答加分! be going to do结构的用法 be going to do,will be,be doing三种用来表示未来时有什么差别? be going to和will do和be about to do和be to do和be doing都表示将来,有什么区别.怎么用 be attached to什么意思什么意思?be attached to do?还是be attached to doing?能举例说明吗？？谢谢 would to have done结构与would have like to do结构有什么区别? be unable to do与be not able to do有什么区别 be apt to do与be inclined to do在英语中有什么区别? have something to do with 与 be related to 的区别have something to do with 与 be related to都是与什么有关的意思,他们在用法上有什么区别? used to与be used to doing用法区别还有其他几个used to be used to doing sth be used to do 另外以上几个词各自用于什么时态中、表示什么具体含义呢? 有be important to do sth 吗?什么意思?