They were having a class this time yesterday. I was drawing a horse when the teacher came in.
动名词变化规则
口诀
规则
例子
直 1. 一般情况下,直接在动词后加-ing。 play –
playing
去 2. 动词以不发音的-e结尾,要去-e加
易错点1 when和while引导时间状语从句 when的用法
3. 表示突然发生某事,意思是“正在……时突然”,主 句常用过去进行时,when从句常用一般过去时。 I was just coming along to see you when I ran into Wilson.
易错点1 when和while引导时间状语从句
-ing。
take – taking
双 3.重读闭音节的动词,要双写词尾字
母,再加-ing。
cut – cutting
变 4. 以-ie结尾的动词,把ie变成y再加- lie - lying
ing。
易错点1 when和while引导时间状语从句
when的用法
1. 状语从句表示短时间的动作,主句常用进行时态或 完成时态。 When I came in, he was reading the newspaper.
非延续性动词:come, go, leave, arrive, meet, die等。
易错点1 when和while引导时间状语从句
when的用法
2. 状语从句表示长时间的动作或状态,主句常用进 行时态。 When she was making a call, I was writing a letter.