What type of verb conjugation is this 巻き込まれてしまた


Below is an example I found from Internet.

途中で渋滞に巻き込まれてしまたのです。 (The meaning I guess : "The reason is, along the way, I
was stuck in a traffic jam")

But from "巻き込まれてしまた" I could not figure out what kind of conjugation was
applied to the verb 巻き込む.

Any one please help.




I would rather see: _got_ instead of _was_ in your translation because of しまった
(which is written for whatever reason without っ).

The conjugation at hand is:

> 巻き込む ＋ れる（passive) ＋ てしまう (end up) ＋ た (past)




I would rather see: _got_ instead of _was_ in your translation because of しまった
(which is written for whatever reason without っ).

The conjugation at hand is:

> 巻き込む ＋ れる（passive) ＋ てしまう (end up) ＋ た (past)

