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つもりです(tsumori desu): to Intend to Do

Verb + つもりだ

The function is to express what you intend to do. One important point here is that the decision should have been made a while ago. Therefore, you cannot use this for decisions made on the spot.

お酒をやめるつもりです。
osake o yameru tsumori desu
I intend to quit drinking.

明日は家にいるつもり です。
ashita wa ie ni iru tsumori desu.
As for tomorrow, I intend to stay at home.

海外の大学に行くつもりです。
kaigai no daigaku ni iku tsumori desu
I intend to go to a foreign university.
 

Adding “to omou” or “to omotte iru” (~と思う, ~と思っている) after a verb that is in Volitional Form changes the meaning from “let’s [verb]” to “I am thinking that I will [verb].” Since “to omou” means “I think,” you can picture this grammar pattern as expressing a volitional thought or feeling that you are holding in your mind.

For example, a person who has said “let’s do it” to themselves, internally. The difference between “to omou” (which is present/future tense) and “to omotte iru” (which is progressive tense) in this pattern is that the former implies a new thought (something you have just now begun to think that you will do). The latter implies a longer-term thought (something that you’ve been thinking for a while that you will do).

お母さんに手紙を書こうと思います。
Okaasan ni tegami o kakou to omoi masu
(I think I will write a letter to my mother).

お母さんに手紙を書こうと思っています。
Okaasan ni tegami o kakou to omotte imasu
(I’m thinking I will write a letter to my mother).


お酒をやめようと思います。
osake o yameyou to omoimasu.
I intend to quit drinking.

明日は家にいようと思います。
ashita wa ie ni iyou to omoimasu.
As for tomorrow, I intend to stay at home.

海外の大学に行こうと思います。
kaigai no daigaku ni ikou to omoimasu.
I intend to go to a foreign university.

来年結婚しようと思います。
rainen kekkon shiyou to omoimasu.
I intend to get married next year.
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