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In the sentence:

> よし じゃあ 行こうか

When the intonation of 行こうか implies an invitation and not a question, what is
the grammatical role of particle 「か」?
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2018-09-30T14:27:29.033
61881
2018-09-30T15:54:44.450
30049
question
grammar
The role of か when 行こうか is not a question
"か" is adding a sense of invitation to the phrase, on top of other words that
are also inviting, such as 〜う of 行こう.

行こう alone would suggest the speaker is a little more determined, and you have
a little less choice in the matter.
CC BY-SA 4.0
2018-09-30T15:54:44.450
61882
2018-09-30T15:54:44.450
3059
61881
answer