Ответ:

2. 6.30 It is half past six. It is six thirty

3. 1.38 It is thirty eight past one. It is one thirty eight.

4. 16.40 It is forty past sixteen (four). It is sixteen forty.

5. 23.27 It is twenty seven past twenty three (eleven). It is twenty three twenty seven

6. 11.45 It is forty five past eleven. It is eleven forty five