18.1    Dialogue.

18.2    Vocabulary: verbs of work.

18.3    Using ’u with objects.

18.4    Pattern practice.

18.5    Substitution drill.

18.6    Translation.

18.7    Having people work.

18.8    Pattern practice.

18.9    Translation.

18.10  Vocabulary: instruments.

18.11  Pattern practice.

18.12  Pattern practice.

18.13  Using ’u with instruments.

18.14  Pattern practice.

18.15  Translation.

18.16  Reading lesson.