Lesson 5-Angels on a Pin II. Sentence Analysis 4. A high grade is supposed to prove competence in the course(Para. 3) to be intended to do, although in this case it is not so W BTL E To be continued on the next pageW B T L E Lesson 5—Angels on a Pin 4. A high grade is supposed to prove competence in the course. (Para. 3) to be intended to do, although in this case it is not so II. Sentence Analysis To be continued on the next page