| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at nine o'clock [prep] [art] | 16 |
|
| 2 | at nine o'clock [prep] [art] | 16 |
|
| 3 | at nine o'clock in [art] | 11 |
|
| 4 | at nine o'clock in [art] | 11 |
|
| 5 | at nine o'clock on [art] | 5 |
|
| 6 | at nine o'clock on [art] | 5 |
|
| 7 | at nine o'clock [art] [adj] | 5 |
|
