The sou-form of an i-adjective expresses that something seems to be in a certain way. It translates into sentences such as it looks red (akasou).
It is very easy to build. Just replace the last “i” of the adjective with a “sou”. So 楽しい (tanoshii, enjoyable) becomes 楽しそう (tanoshisou). Here are a few more examples to make it clear.
|Plain Form||Romaji||Meaning||sa Form||Romaji|
kono ryouri wa totemo oishisou desu.
This dish looks very delicious.
- The sa-form of i-adjectives
- The kunai-form of i-adjectives
- The katta-form of i-adjectives
- The kunakatta-form of i-adjectives