| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on [prep] a | 2111 |
|
| 2 | on [prep] a | 2111 |
|
| 3 | [adv] at a | 1872 |
|
| 4 | [adv prt] at a | 665 |
|
| 5 | on at [art] | 347 |
|
| 6 | on at [art] | 347 |
|
| 7 | on at a | 45 |
|
| 8 | on at a | 41 |
|
| 9 | on at a | 41 |
|
