In addition, some of these verbs need an object, usually a person or people. The police warned us not to enter the building. The speaker invited the audience to ask questions. The best way to learn ...

The present perfect with 'for' and 'since' Comparatives and superlatives The present perfect with 'just', 'already' and 'yet' Defining relative clauses Might, may, could 'Used to' Subject questions ...