Questions tagged [obligations]

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2
votes
1answer
330 views

Can 'なければなりません' be used for possibility?

I thought the use of this suffix was restricted to obligations, but the sentence below has left me confused. この会に来たインドの人は「日本にいろいろ教えてもらって、早く空気をきれいにしなければなりません」と話していました。 Source: http://www3.nhk.or.jp/...
3
votes
1answer
980 views

How to say things must be done, but in the past tense?

I learned it from this guide, detailing 「だめ」,「いけない」 and 「ならない」constructions. I was able to assume that the past-tense of "I must not do" is て-formはだめだった (correct me if I'm wrong), but how can I do ...
2
votes
2answers
218 views

How to ask if someone has to do something

recently I've been talking to some japanese people and came across a problem that might sound stupid but I really had troubles expressing what I wanted. I know the different forms to express ...