Question

The building burned down

Whether it is a transitive or intranstive ​

Answer 1

Answer:

The correct sentence is ― The building is burnt down.

Explanation:

This is a passive sentence.

So in this sentence, the phrasal verb 'burn down' has been used as a transitive verb.

Answer 2

Answer:

Transitive

Explanation:

because we need to light the fire first because then only it will burn