过去进行时
——表示过去正在进行的动作,经常用在when, while, as引导的状语从句中。
结构:was/were+doing
When my husband was going into the dining room this morning, he dropped some coins on the floor.
Their father was watching TV while they were having dinner.
★变疑问句将be动词移到句首
Was their father watching TV while they were having dinner.
★变否定句在be动词后面加 not
Their father was not watching TV while they were having dinner.
正在阅读:
新概念英语第一册语法总结:过去进行时07-11
月夜随想作文12-27
成长的记忆与现实作文12-12
马来西亚留学的真实生活是怎样的?07-26
孕妇营养餐食谱大全-孕妇营养保健安全02-22
科学小实验作文800字07-25
2001年广东省云浮市中考英语真题及答案(Word版)06-10
2018年造价工程师工程计价易考点:竣工结算(9月12日)07-24
2023湖北襄阳市中医医院(襄阳市中医药研究所)第二批招聘紧缺高层次专业人才27人公告06-19
冬作文600字08-08