Chaser is a female border collie. And she can understand English grammar. She can understand the relationships between a prepositional object, verb, and direct object in a four word sentence, like "to ...

A phrase is a group of two or more words that does not contain a subject and a verb working together. There are many types of phrases, including verb phrases, adverb phrases, and adjective phrases.

In Learners' Questions in Session 4, Dan looks at phrasal verbs with the word pop. Here's a guide to phrasal verbs. Sometimes you can guess the meaning of a phrasal verb because it is related to the ...