| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] on the | 8140 |
|
| 2 | a [noun sg] [v-ing] the | 1911 |
|
| 3 | [noun sg] [v-ing] on the | 1174 |
|
| 4 | a [noun sg] [v-ing] on | 521 |
|
