Подскажите пожалуйста:
must not/ don't have
You know the words/you ... learn them again.
had to/must
We couldn't take a taxi. We ... walk.
must'not/don't have to
We have a lot of vegetables.You ... buy any.
как лучше сказать People from different parts of the country are not speak the same language или People from different parts of the country are not speak each other*s language.Если речь идет о Индии, что 15 официальных языков и тысяча диалектов