| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] on at some [noun sg] | 12 |
|
| 2 | [verb] on at some length | 7 |
|
| 3 | [verb] on at some length | 7 |
|
| 4 | go on at some [noun] | 6 |
|
