I was organising my words in my head when the girl next to me gave me a nudge.
(1)译文:我正在脑子里组织语言,这时我旁边的女孩用肘推了我一下。
(2)分析:本句为was/were doing sth. when ......句型,意为“某人正在做某事,这是......"。其中when为并列连词,相当于and suddenly/and at that time。
(3)除此以外,还有:be about to do sth. when ...
had just done sth. when ...
be on the point of doing sth. when ...