Is this a passive?

Active. There is no passive form of the verb "be".

ZBHThat's a passive?

There have been successful law challenges.
The main verb is "be." (Present perfect tense)
"Be" is an intransitive verb.
Intransitive verbs do not have passive forms.
(Cross-posted)

Yes, I think I understand now. Thanks GPY

ZBHThere have been successful law challenges

For the simplest forms of passive, this will work:

Locate a form of be. (been is one of them.)
What comes after it? successful
Is that a past parti

The missing man was quickly found near the railway station.

Form of be: was
Next: quickly
Is that a past participle? No.

YIKES!

AlpheccaStarsYIKES!

Yes. Double YIKES!

However, I did say: "For the simplest forms of passive". Stay tuned. I shall be publishing "Lesson Two" in another month or so.

ZBH There have been successful law challenges...That's a passive? Thank you x

What you need is to study what transitive and intransitive verbs are. Intransitive verbs do not have passive forms, only transitive verbs can have passive forms. Transitive verbs are those that take objects which, i.e. the objects occurring in the activ

That makes it so much simpler! Thank you so much!

ZBHThat makes it so much simpler! Thank you so much!

Just be aware that they aren't all so simple. As Alphecca Stars has pointed out, you might see an adverb after that form of be. In that case you need to keep going because the past participle might be hiding farther down the line.

But at least that gives you a start.

CJ