Explanation
Express a hypothetical situation; 'if', 'suppose', 'assuming'.
Formation
Verb-casual + としたら, い-Adjective + としたら, な-Adjective + だとしたら, Noun + だとしたら
Detailed explanation
The ～としたら grammar point is used to express a hypothetical situation or assumption. It can be translated as 'if', 'suppose', or 'assuming' in English. The formation differs depending on whether it’s used with verbs, adjectives, or nouns.
Examples
Ashita ame ga furu to shitara, kasa o motte ikimashō.
If it rains tomorrow, let’s bring umbrellas.
Kono kēki ga oishikunai to shitara, dare mo tabenai darō.
If this cake isn’t tasty, probably no one will eat it.
Kare ga byōki da to shitara, hayame ni byōin e ikanai to ikemasen.
If he is sick, he needs to go to the hospital soon.
Kanojo ga gakusei da to shitara, kono resutoran wa waribiki ga aru deshō.
If she’s a student, there’s probably a discount at this restaurant.
Practice
Grammar content sourced from hanabira.org.