表示感官的系动词feel, smell, sound, taste后面习惯上不能接不定式。如：

■这些花很香。

误：The flowers smell to be sweet.

正：The flowers smell sweet.

■绸缎摸起来柔软光滑。

误：Silk feels to be soft and smooth.

正：Silk feels soft and smooth.

■那音乐优美动听。

误：That music sounds to be beautiful.

正：That music sounds beautiful.

■这种药味道难吃极了。

误：This medicine tastes to be horrible.

正：This medicine tastes horrible.

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