Grammar word class

[dranoelwcs]

In this sentence
Have they been living in Britain for long?

What word class is the word for long ?
subject is they, verb is have been living , object is in Britain..... but is
for long and Obligatory adverb or just a normal adverb?????

[PROESL]

In this sentence
Have they been living in Britain for long?

What word class is the word for long ?
subject is they, verb is have been living , object is in Britain..... but is
for long and Obligatory adverb or just a normal adverb?????

for long - This is a prepositional phrase. We can call it an adverbial phrase as well. It tells "how much time".

They've been living in Britain for a long time.

A prepositional phrase can be adverbial.

[dranoelwcs]

So it can be called as both I see!!!!
Thanks a l ot cleared up my misconceptions...

[PROESL]

So it can be called as both I see!!!!
Thanks a l ot cleared up my misconceptions...

Yes, that's it. It can be called both a prepositional phrase and an adverbial.

[fatclass09]

Thanks for this teach...l got cleared up my misconceptions...