| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was spark off by the | 5 |
|
| 2 | was spark off by the | 5 |
|
| 3 | was spark off [prep] the | 5 |
|
| 4 | was spark off [prep] the | 5 |
|
| 5 | was sparked off [prep] the | 5 |
|
