Just imagine what would it be

不行耶 要just imagine what it would be
因为宾语从句后要用陈述语气

恩，按语法来说是不通的，imagine后面加的是一个宾语从句，what would it be应该为陈述句语序，改为what it would be为佳。不过如果是口语的话，很容易说错，外国人也能听的懂，书面语上应该不会出现这样的错误。希望能对你有所帮助。这句话是电影上的吧。

Just imagine what it would be