Toddlers begin to use the present progressive verb tense before they are two years old. While some children may have achieved mastery of this morpheme by 24 months, the age range of mastery of the present progressive-ing verb tense is between 19 and 28 months.
Superfudge is a children's novel by Judy Blume, published in 1980. It is the sequel to Tales of a Fourth Grade Nothing.
Martin, Walter R., The Rise of the Cults (Zondervan, Grand Rapids, 1955). This text was revised and published by Zondervan, 1957, then revised and published by Vision House in 1977 and 1980; and finally completely revised and reissued under a new title Martin Speaks Out on the Cults (Vision House, Santa Ana, 1983).