Tracing the evolution of English verbs over 1,200 years -- from the Old English of “Beowulf” to the modern English of “The Princess Diaries” -- researchers have found that the majority of irregular ...

Read each of the sentences below and indicate whether the highlighted -ing or -ed word is functioning as a verb (or part of a verb phrase) or as an adjective (participle). Indicate your choice by ...

A self-study book that presents one phrasal verb on one page. Examples and exercises show the most important meanings and the situations in which it is most commonly used. Each of the 100 phrasal ...

A suffix is a letter or group of letters that goes on the end of a word and changes its meaning. Adding the suffix -ing to the end of a noun can change it into a verb. Narrator: I've told you, fur ...