While we are watching TV,the door bell rings.能不能把后半句改成the door bell is ringing.

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WhilewearewatchingTV,thedoorbellrings.能不能把后半句改成thedoorbellisringing.WhilewearewatchingTV,thedoorbell

While we are watching TV,the door bell rings.能不能把后半句改成the door bell is ringing.
While we are watching TV,the door bell rings.能不能把后半句改成the door bell is ringing.

While we are watching TV,the door bell rings.能不能把后半句改成the door bell is ringing.
如果改成后者就是说我们看电视的同时门铃正在响,而原句是当我们看电视的时候,门铃突然响了,而非持续进行的.
嗯,这样!