Shirimono Logo
Shirimono
Log inSign up
GRAMMAR
〜だろう
probably ~
Explanation
NOTE

だろう means probably ~ or I think ~. It expresses the speaker's conjecture or guess about something. It is the plain form of でしょう.

NOTE

Attach だろう to the plain form of verbs, adjectives, and nouns. It shows that you are fairly confident in your guess but not certain.

STRUCTURE
V普
だろう
明日あしたは晴はれるだろう。
Ashita wa hareru darou.
It will probably be sunny tomorrow.
彼かれはもう帰かえっただろう。
Kare wa mou kaetta darou.
He probably already went home.
この問題もんだいは難むずかしいだろう。
Kono mondai wa muzukashii darou.
This problem is probably difficult.

Practice exercises

1
この時計とけいは高たかいだろう。
This watch is probably expensive.
Answer
だろう
2
試合しあいは来週らいしゅうだろう。
The match is probably next week.
Answer
だろう
3
電車でんしゃはもう出でただろう。
The train probably already left.
Answer
だろう
4
あの映画えいがは面白おもしろいだろう。
That movie is probably interesting.
Answer
だろう
5
この時計とけいは高たかいだろう。
This watch is probably expensive.
Answer
だろう
6
明日あしたは雨あめだろう。
It will probably rain tomorrow.
Answer
だろう
7
試合しあいは来週らいしゅう始はじまるだろう。
The match will probably start next week.
Answer
だろう
8
彼かれはもう結果けっかを知しっているだろうが、黙だまっている。
He probably already knows the result, but he's staying quiet.
Answer
だろう
9
経済けいざいの回復かいふくにはまだ時間じかんがかかるだろうと専門家せんもんかは述のべた。
The experts stated that recovery of the economy will probably take more time.
Answer
だろう