51.   It was totally unnecessary, to begin with.

52.   It will be noted that these begin with a verb stating the actions students are expected to show.

53.   It will begin with a brief survey of the corporate economy.

54.   Its plot began with Adam and ended with Northampton.

55.   Let us begin with a few simple, crucial, and apparently unmentionable facts about a typical high-school classroom.

56.   Let us begin with an analysis of some recent and relevant changes in the structure of medical practice.

57.   Let us begin with social attitudes to ageing.

58.   Let us begin with the economic aspects of later life.

59.   Let us begin with the proposition that our visual experience does somehow involve a judgement.

60.   Let us begin with the simplest example and argue from that.