.常用于考时态的十大句型常考固定搭配情态动词的用法1、sb was doing sth when某人正在干某事这时I was thinking about my new plan whan a good idea occurred to me. 我正在考虑我的新计划，这时一个好主意浮现出来。说明：在这个句中，主句的谓语动词通常是延续性动词，从句的失态用一般过去时，when 翻译成“这时”。2、sb was(just) about to do sth when,某人正要干某事这时They were just about to set out when it began to rain.他们正要出发，这时下起雨来了。说明：在这个句型中，be (just) about to do 可以换成sb was/were on the point of doing sth when, when翻译成“这时”。3、sb had just done when某人刚干完某事这时I had just lain down when the tele
