What would be great is if...What would be great是主语从句,what是主语从句的主语?

What would be great is if...What would be great是主语从句,what是主语从句的主语? that would be great That -------(would ,will ) be great . That would be a great thing. What Would I Be 歌词 那太好了.为什么是that would be great而不是that will be great Great changes have taken place in China.Great changes have taken place in China.Who can tell____it would be like in ____ five years?A.how ;other B.what; more C.how ;another D.what; another that would be a great experience什么意思? great be that would.连词成句,快 a be would picnic great.怎么连词成句 a be would picnic great.怎么连词成句? It would be great just to watch then quietly.急 deliver the office tomorrow would be great的中文? 英语翻译用这个句型“It would be great if .” What Would It Be Like 歌词 What Would The Profit Be 歌词 what would be dirtier when wash it I think it would be great. I think it's going to be great. I think it'll be great.What's difference among the three sentences?I saw the first sentence on movie but i think second and third sentence will be better.Thanks.