be doing 表示即将发生的动作状态，就是表达将来。进一步理解will do，be doing，will be doing 请参考be to do 表将来，时态需一致，用Were to meet; 2. 用WaS 表明已经过去，to haVe been,虚拟语气，与事实相反，表明本该却没；3. if 条件句，用不定式现在时态be to d
＋△＋ 1 there be 句型的将来时There is a meeting. 变成将来时态是There is going to be a meeting. 这里就有很多人容易弄错的，经常会变成There is going to have a meeting. 这个知识2、一般将来时表示将来的动作或状态，常用be going to + do或will / shall + do等结构来表示，如：We are going to
≥﹏≤ 将来进行时在be动词的形式上使用不多，不过被动式使用的机会就多了，比如The package will be being delivered to you by this time tomorrow. 进行时有强调那时肯定发出你会收1、be的时态变化系动词be会有一般现在时、一般过去时、一般将来时、现在完成时、过去完成时等的时态变化。如：He is a student.They were in the park yesterday.It will be cloud
be 的种时态形式am/is/are 2.一般过去时was/were 1.一般现在时3.一般将来时will/shall be 4.过去将来时would be 5.现在进行时be being 6.过去进行时was/were bebe 的各种时态掌握之后，会对含有be 的短语的用法有更加深入的了解，比如be able to,be afraid of ,be angry with,be pleased with,be famous for 等。例如：Hewas able tosw
will be shall be be going to be be about to bebe 动词的现在进行时：am /is /are being一般现在时：am /is/ are现在完成时：have/has been一般将来时：shall/ will be过去进行时：was/were being过去完成时：
