writing when phone rang

[Polyester]

Are the following sentences correct and natural?

Tom was writing his report to his boss, when the phone rang, he couldn't continue to write it.

 

[tedmc]

Re: doing something

No.
Omit the first comma.
The second comma should be a full-stop.
Wouldn't "stop" (doing something) be better than "could not continue" (to do something)?

 

[Tarheel]

Re: doing something

Are the following sentences correct and natural?

Tom was writing his report to his boss, but when the phone rang, he couldn't continue to write it.

Was he distracted? Couldn't he continue after the phone call?

 

[teechar]

[STRIKE]Are[/STRIKE] Is the following sentence correct and natural?

I have changed the title of your thread. In future, please do not write a generic title. Include some words from the main post in the title.