No Backshift (own system)
Group 3 - no backshift in tense, instead these verbs use their own system (continued)
promise + (not) to + infinitive
Mum promised to pick me up at four.
refuse + to + infinitive
The MP has refused to comment on these rumours.
Active sentence = say (that) -> People say (that) the album includes new songs.
Passive sentence = be said + to + infinitive -> The album is said to include new songs.
suggest + (not) + -ing
Hugh suggested contacting their old friends via Facebook.
urge + somebody + (not) to + infinitive -> The police urged the crowd to stay calm.
warn + somebody + (not) to + infinitive
His sister warned us not to expect him at the party.