The present perfect with 'for' and 'since' Comparatives and superlatives Present perfect with 'just', 'already' and 'yet' Defining relative clauses Might, may, could How to use 'used to' Subject ...

Present continuous and 'going to' Verb + infinitive with 'to'? Verb + gerund? Learn about verb patterns.

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 ...