TAKOBOTO

A voluntary action stopped just before being completed
I was about to go out when the phone rang.

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バスをおりようとすると、うしろからおされた。

I was about to get off the bus, when someone pushed me from behind.

でかけようとすると、ちちによばれた。

I was just about to go out, when dad called me.

おふろににゅうろうとしたときに、でんわがなりました。

The telephone rang just as I was about to get into the bath.

かのじょにこくはくしようとすると、とつぜんともだちがきました。

when i try to propose her suddenly friend are come.

The voluntary action is just stopped a moment before being completed by an unexpected external cause. The verb of the main sentence is often in the passive form.

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