investigating是investigate的现在分词
investigate
美 [ɪn'vestɪ.ɡeɪt] 
英 [ɪn'vestɪɡeɪt] 
- v.调查;研究;审查
 - 网络调查阶段;调查中;如此调查
 
第三人称单数:investigates  现在分词:investigating  过去式:investigated  
v.+n.
investigate matter,investigate cause,investigate case,investigate corruption,investigate process
adv.+v.
thoroughly investigate,urgently investigate