把下面单词分别变成三单,ing形式,过去式,过去分词
问题描述:
把下面单词分别变成三单,ing形式,过去式,过去分词
drop,happen,pass,receive,seem,smcke,throw,surprise,wait,push,include,freece,go,use,sweep,stop
答
drop--drops--dropping--dropped--droppedhip--hips--hipping--hipped--hipped,happen--happens--happening--happened--happened,pass--passes--passing--passed--passed,receive--receives--receiving--received--r...