if it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck
A subject can be identified by observing its habitual characteristics.
ADJ.
last, logical, over, unsuccessful
The logical conclusion was probably that we needed to find a different solution.
VERB + PROBABLY
going, make, plan, sense, venture
We're probably going to the beach this weekend if the weather stays nice.
PROBABLY + NOUN
car, france, friday, i'll, tokyo
I'll probably go to France next summer for a holiday.
PREP.
in
He's probably in the kitchen making coffee right now.
ADV.
abroad, again
She's probably abroad for work, so we won't see her until next month.