the elephant is drink water with his trunk中ldrink怎么改

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the elephant is drink water with his trunk中ldrink怎么改

the elephant is drink water with his trunk中ldrink怎么改
the elephant is drink water with his trunk中ldrink怎么改

the elephant is drink water with his trunk中ldrink怎么改
改为drinking

一般现在时,drink 改 drinking 。

the elephant is drinking water with his trunk.
系动词be+doing sth是一般现在时的固定用法

drinking 现在进行时

be doing 正在进行时,drinking

drinking

be 是助动词,后面不能直接接动词原型,这里表示的现在时态,为此 drink 要用现在分词表示。