21.   The role of the clinical teacher has been discussed in the previous chapter.

22.   These elements are part of what, in the previous chapter, were described as the context of a speech event.

23.   These latter cases are dealt with here rather than in the previous chapter for two related reasons.

24.   They are explained in the previous chapter.

25.   This will be a sound basis for the School Development Plan described in the previous chapter.

26.   We react only to events, as indicated in a previous chapter.

27.   The two characters met in a previous chapter.

28.   The techniques for displaying spatial data have been reviewed in previous chapters.

29.   As we have indicated in the previous chapter, there looks like being a very large potential market for consumer multimedia.

30.   We have already met examples of such crystals in the previous chapter.