Explanation
Express a hypothetical condition, 'if' or 'in case'.
Formation
もし + Verb-casual past + なら, もし + い-Adjective-casual past + なら, もし + な-Adjective + だったなら, もし + Noun + だったなら
Detailed explanation
The もし～たなら grammar point is used to express a hypothetical condition or situation in a more polite manner. It emphasizes the conditional part of a sentence and can be translated as 'if' or 'in case' in English. It is mainly used with verbs in the past tense, casual form.
Examples
Moshi ame ga futta nara, kasa wo motte ikimashou.
If it rains, let's bring an umbrella.
Moshi keeki ga oishikunakatta nara, daremo tabenai deshou.
If the cake was not delicious, nobody would eat it.
Moshi kare ga byouki datta nara, sugu ni byouin ni ikasete agete kudasai.
If he was sick, please take him to the hospital right away.
Moshi kanojo ga gakusei datta nara, kono resutoran wa waribiki ga aru deshou.
If she were a student, there would be a discount at this restaurant.
Practice
Grammar content sourced from hanabira.org.