There's no question that
C1It's certain
It stands to reason that
C1It's logical
It's highly likely that
C1Very probable
In all probability
C1Most likely
It's a safe bet that
C1It's very likely
Chances are
C1It's likely
It's conceivable that
C1It's possible
There's a possibility that
C1It's possible
It's doubtful that
C1It's unlikely
It's questionable whether
C1It's uncertain
It remains to be seen
C1The outcome is unknown
The jury's still out
C1The outcome is undecided
I'm not entirely sure
C1I'm uncertain
It's anyone's guess
C1The outcome is unpredictable
I have my doubts
C1I'm skeptical
I'm not convinced
C1I'm not persuaded
It's a long shot
C1It's unlikely to succeed
The odds are stacked against us
C1The chances of success are low
It stands to reason that...
C2It's logical or predictable that...
There's no question that...
C2It's undoubtedly true that...
It's a foregone conclusion that...
C2It's certain to happen; the outcome is already known.
It's highly improbable that...
C2It's very unlikely that...
It's a safe bet that...
C2It's highly likely that...
All things considered...
C2Taking everything into account...