HomeGrammarHad to – Obligation In The PastHad to – Obligation In The Past admin 27 January 2017 Grammar No Comments Had to – Obligation In The PastWhen we use an obligation in the present we can use either ‘must’ or ‘has to’. In the past, this is different. In the past we only use ‘had to’; Tweet Pin It Related Posts 8 Plural Noun Rules Grammar Guide Uses of ‘So’ and ‘Too’About The Author admin