| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] | 407844 |
|
| 2 | [prep] [noun sg] erm | 453 |
|
| 3 | a [noun sg] erm | 291 |
|
| 4 | [prep] a erm | 53 |
|
