| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] on [v-ing] [pron] [prep] a | 6 |
|
| 2 | [vb past] on [verb] [pron] [prep] a | 6 |
|
| 3 | [vb past] on [verb] [pron] [prep] a | 6 |
|
| 4 | [vb past] on [verb] [pers pn] [prep] a | 6 |
|
| 5 | insisted on [verb] [pron] [prep] a | 5 |
|
