show 和 showing 要怎么用?例句：the graph show/showing year-end shipment statistics from the recording industry association of america (RIAA) from 1973 until 2009.以上例句我是要用show 还是 showing?show 和 showing 分别要在什么时候用? 英语
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【答案】 亲：动词原形作谓语,一般现在时,一般将来时will show,
showing前面加be动词构成现在进行时.
I often show him my book.
I will shou you my book.
I am showing you the book.
亲：祝你学习进步!