| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] [verb] on | 591 |
|
| 2 | [prep] [noun prp] [verb] an | 468 |
|
| 3 | [noun prp] [verb] on an | 59 |
|
| 4 | [prep] [verb] on an | 52 |
|
| 5 | [prep] [noun prp] on an | 51 |
|
