动物动作现在进行时态•定义:用于现在或现阶段正在进行的动作.它的标志词是look,listen.now.•结构:Be+动词ing•否定句式:Be动词后加not•疑问句式:Be动词提到句子最前面练习(句型转换)•IamwatchingTV(否定句)•Heisplayingfootball(疑问句)•Sheiscleaningherroom(否定句)•Theyareeating(疑问句)•Itisplayingwithitsfriends(疑问句)•Mikeisplayingthepiano(否定句)•Johnispickingapples(否定句)