(课件网) SectionA Grammar Learning Aims 学习目标 1 、Master the usage of past progressive tense; 掌握过去进行时的用法； 2 、Use "while"and "when"correctly. 正确使用while和when. What are we doing now A BCD F Present Progressive Tense (现在进行时) We are having an English class. Do you remember What were you doing at seven last night —What was Alice doing at that time —She was reading a book. Alice Do you remember What were you doing at seven last night Bob —What was Bob doing —He was doing his homework. Do you remember What were you doing at seven last night Lucy and Eric —What were Lucy and Eric doing —Maybe they were talking. Do you remember What were you doing at seven last night —What were Ms.Sun and the students doing —We were discussing some questions. They were talking We/You/They +were+V.ing They were talkin Pa ：nse Sh a e 主语+was/were+V.ing. I/He/She/It+was+V.ing the E his h ng ng i i d o a d r s was e w e H 构 Te 过去进行时结 st Progressive We were discussing some questions study studying run running take taking lie_ lying swim swimming fight fighting cut cutting die dying do_doing Sb.+was/were+V.ing 一 般 情 况 ： 以不发音的字母e结 V+ing 尾：&+ing 以重读闭音节结尾，末 尾只有一个辅音字母： 双写辅音字母+ing 以ie结尾： 变ie为y+ing What were other people doing Alice was reading a book. while They wer l eping the Bob was doing his homework. while Linda was listening to music Mike came in. while We were discussing questions. oor swe f e Bob was doing his homework while Linda was listening to the music. Alice was reading a book while they were sweeping the floor. Mike came in while we were discussing questions. while +sb.was/were +V.ing. Lucy and Eric were talking. Cindy left the school. What were other people doing We were discussing questions. Mary closed the window. Frank turned on the light. Bob was doing his homework. when when Bob was doing his homework when Frank turned on the light. Mary closed the window when Lucy and Eric were talking. We were discussing questions when Cindy left the school. when +sb.+Ved(动词过去式) When+Sb.was/were +V.ing Bob was doing his homework when Frank turned on the light. Mary closed the window when Lucy and Eric were talking. We were discussing questions when Cindy left the school. When sb.+V.ed/when+sb.was /were V.ing when 既可连接延续性动词也可连接 非延续性动词(表示瞬间完成的动 作，无法持续) Alice was reading a book while they were sweeping the floor. Bob was doing his homework while Linda was listening to the music. Mike came in while we were discussing questions. While sb.was/were +V.ing. while后连接延续性动词(可以持 续一段时间的动作或状态) When do we use "when"and when do we use "'while'' F 小抖 雍正英语 私塾 抖音号：20443589054 Q 和朕学英语 学会区分 延续性 动词 和 非延续性 动词 Alice was reading a book while they were sweeping the floor. Bob was doing his homework while Linda was listening to the music. 当主句和从句的动作同时发生，且都 ... ...
