it needs to stop是被动吗

有8种时态的被动语态 (注:v.pp表示动词的过去分词)
1、一般现在时：am/ is/ are/+v.pp
2、一般过去时：was/were+v.pp
3.现在完成时:has / have + been +v.pp
4,过去完成时:had been+v.pp
5.现在进行时：am / is / are + being + v.pp
6,过去进行时:was/were+being+v.pp
7,一般将来时：will+ be + v.pp
8,过去将来时:would be +v.pp含有情态动词的被动语态构成：情态动词+ be + v.pp不定式的被动语态：to + be +v.pp