when的时态Could you tell me when Mr.Li ___ in Huanggang?Sure.When he ___,I'll call you.答案是will arrive; arriveswnen在两句话中分别做什么成分?为什么两句话的时态不同.第二句可以理解为主将从现吗?

could和can时态问题Could you tell me when they ------leave Beijing.是填would还是will?求详解,说明另一个不可行的理由! could would位于句首时的时态could would表示语气婉转位于句首能用什么时态的句子?could.when之类的可以用过去时吗? when的时态Could you tell me when Mr.Li ___ in Huanggang?Sure.When he ___,I'll call you.答案是will arrive; arriveswnen在两句话中分别做什么成分?为什么两句话的时态不同.第二句可以理解为主将从现吗? Could you tell me后面的宾语从句是不是可以接任何时态?刚才做了一个题：Could you tell me ______ the world's longest high-speed railway linking(连接) Beijing and Guangzhou?A.when will China open B.when China will openC.when did Which hotel are you staying in when you are in Tel Auiu? 这句话翻译 could you tell me when you____leave for LondonCould you tell me when you____leave for London?请问是填will 还是 would如果是填will，那为什么呢？前面是could，不需要时态一致吗？ since you been gone是什么时态啊?一首歌的名字...还有when you are gone是什么时态啊? when 的前后时态搭配 由could引导的特殊疑问句的时态是什么时态? could是can的什么时态? TEL.的缩写含义 tel是什么意思的缩写 tel是什么意思的缩写 tel是什么意思的缩写 Tel.的意义 could you swim when you were eight years old 为什么这里的were不用原型,could不是情态动词吗? Could you tell me when (start) tomrrow When I miss you .I could not