我打算去书店.英文翻译应该是I am going to the bookstore.还是 I am going to g

第一种表达方式是对的--I am going to the bookstore.
因为将来时本来用be going to do来表示,如果do是短暂性动词,如go,come,leave等,则直接用be doing进行时形式表示将来时.如：
I am going to the bookstore.我打算去书店.
He is coming here.他要来了.
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