现在进行时.doc

文档介绍：现在进行时：表示当时或是现在正在进行时的动作
否定句：I am not writing on the blackboard
一般疑问句：Are you writing on the blackboard？
特殊疑问句：Where ar现在进行时：表示当时或是现在正在进行时的动作
否定句：I am not writing on the blackboard
一般疑问句：Are you writing on the blackboard？
特殊疑问句：Where are you writing？What are you doing on the blackboard?
ing变化规则：
+ing：eg：playing,doing,watching,eating,going,reading,cleaning2去掉e+ing：eg:like- liking,live-living,write-writing,take-taking,dance-dancing,come-coming,make-making
+ing：eg：swimming,shopping,beginning,getting,sitting,putting,running
4特殊：eg：die-dying死亡 liv-lying撒谎 tie-tying
标志词：look！listen！now,at the moment在此刻