| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then set off [prep] [art] | 13 |
|
| 2 | then set off [prep] the | 11 |
|
| 3 | then set off [prep] a | 7 |
|
| 4 | then set off on [art] | 6 |
|
