全国大众英语测验语法——过往举行时
1）不雅观点：默示过往某时正在举行的状况或举措。
2）过往举行时的重要用法是描绘一件事发作的背景；一个长举措发作的时候，另一个短举措发作。
3)常用的时候状语
this morning, the whole morning, all day yesterday, from nine to ten last evening, when, while
My brother fell while he was riding his bicycle and hurt himself.
It was raining when they left the station.
When I got to the top of the mountain, the sun was shining.
典范例题
1) Mary ___ a dress when she cut her finger.
A. made B. is IT C. was IT D. makes
谜底C.割伤手指是已发作的事变，使用过往时。同时，when表时候的同时性，"玛丽在做衣服时"供给事变发作的背景，因此用过往举行时。
2) As she ___ the newsIT, Granny ___ asleep.
read； was fallingB. was reading； fellC. was reading； was fallingD. read；fell
谜底B.句中的as = when, while，意为"当……之时"。描绘一件事发作的背景时，用过往举行；一个长举措发作的时候，另一个短举措发作。句意为 "在她看报纸时，奶奶睡着了。"句中的 fell (fall的过往时)，是系动词，后跟描述词，如：fall sick