| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] a [noun sg] | 9519 |
|
| 2 | on [prep] a [noun sg] | 1207 |
|
| 3 | be on [prep] a | 83 |
|
| 4 | be on [prep] [noun sg] | 49 |
|
