Introduction - Long Vowels

Question 1

Which vowel is added to form the “aa” long vowel?

Answer 1

あ

Question 2

Which vowel is added to form the “ii” long vowel?

Answer 2

い

Question 3

Which vowel is added to form the “uu” long vowel?

Answer 3

う

Question 4

Which vowel is added to form the “ee” long vowel?

Answer 4

Usually い. Though there are a few that use え instead.

Question 5

Which vowel is added to form the “oo” long vowel?

Answer 5

Usually う. Though there are a few that use お instead for historical reasons.