Tom slipped into the house when no one was noticing这句话为什么同过去

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/10 04:49:59

Tom slipped into the house when no one was noticing这句话为什么同过去进行时?
是因为when的关系吗?
那什么时候用进行时?什么时候不用?
为什么这句话不用呢?he had walked three or four miles when he saw a cart,halg-full of hay,by the side of the road.

这里强调的是他溜进屋子的那个短暂动作发生的时间点,那个时刻是没有人发现他的,而这个动作很快就结束了.
意思和Tom slipped into the house with nobody's notice.差不多.其实这类似一个伴随状语,说明她动作发生的那一刻是没人注意到的.

Tom slipped into the house when no one was noticing这句话为什么同过去 Tom ____ into the house when no one ____ 8. Tom ________ into the house when no one _________ . ..求详解为什么选Tom _____ into the house when no one _____.A.sliped 英语19.Tom ________ into the house when no one _______. RT.Tom ____(slip)into the house when no one ___(look)怎么填? ..语法Tom _____ into the house when no one _____.A.sliped ,not Jim___into the house when no one looked.A.slipped B.had slip Tom ___________into the house when no one _______ 77.The boy _______ into the house when no one _________ . When Tom was sleeping,a thief broke into his house He went into the house and,noticing the young lady at the pi