Lesson 3-Message of the Land IV.Important Grammar Relative clause introduced by "as" She is a teacher,as is clear from the way she talks. Randy was the last to leave,as is often the case. Let's discuss only such questions as concern everyone of us. Lesson 3-Message of the Land She is a teacher, as is clear from the way she talks. Randy was the last to leave, as is often the case. Let’s discuss only such questions as concern everyone of us. Relative clause introduced by “as” IV. Important Grammar