remain to be seen
To have not yet happened; to be as yet unknown.
It remains to be seen whether he will win the election.
ADJ.
against, little
The new safety regulations have been seen against the backdrop of recent workplace accidents.
VERB + SEEN
cloud, needn't, ought, stars
I've never seen stars so bright as they were last night in the countryside.
SEEN + NOUN
exhibition, fuji, kangaroo, movie, mt, sky, ufo
I've never seen an exhibition that impressed me as much as that one did.
PREP.
from, in
I haven't seen him in years, but I recognized him right away at the reunion.
ADV.
ever
I've never seen anything quite like that before in my entire life.