| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on [verb] [conj] [art] [noun] | 100 |
|
| 2 | on [to-vb] [conj] [art] [noun] | 87 |
|
| 3 | [adv] to explain [conj] [art] [noun] | 7 |
|
| 4 | on explain [conj] [art] [noun] | 6 |
|
