| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | set off [prep] a | 44 |
|
| 2 | set off [prep] a | 44 |
|
| 3 | set off [prep] a | 41 |
|
| 4 | set off on a | 12 |
|
| 5 | set off on a | 12 |
|
| 6 | set off in a | 10 |
|
| 7 | set off in a | 10 |
|
| 8 | set off at a | 9 |
|
| 9 | set off at a | 9 |
|
