I think I will, I intend to

Volitional form plus と思う states the speaker's intention. と思っています suggests a plan held for some time, while と思います can be a decision made on the spot. It is softer than declaring the action directly.

Examples

• 夏休なつやすみに北海道ほっかいどうへ行いこうと思おもっています。

  Natsuyasumi ni Hokkaidou e ikou to omotte imasu.

  I am thinking of going to Hokkaido during summer vacation.

• 来年らいねんから日本語にほんごをもっと勉強べんきょうしようと思おもいます。

  Rainen kara nihongo o motto benkyou shiyou to omoimasu.

  I think I will study Japanese more from next year.

Vocabulary in these examples

• 夏休み summer vacation
• 行く to go
• 思う to think, to feel
• いる to exist (animate); to be
• 来年 next year
• 日本語 Japanese language

Related patterns · Volitional and intentions

• 意向形（〜よう / 〜おう） let's do, I will do (casual)
• 〜ようとする try to do, be about to do
• 〜つもりだ intend to, plan to
• 〜予定だ be scheduled to, plan to