Sometimes you know a word has two forms, but you 're not sure which one is appropriate to use in the situation at hand. This happens a lot with verbs, where past-tense forms can compete for acceptance ...

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

In English, we can express sentences in two different ways: active voice and passive voice. The active voice is used when the focus is on the subject (or agent) of the main verb. This is the person or ...