| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if a [noun sg] | 151 |
|
| 2 | [prep] on a [noun sg] | 42 |
|
| 3 | [prep] if on [noun sg] | 25 |
|
| 4 | [prep] if on a | 17 |
|
| 5 | if on a [noun sg] | 17 |
|
