| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] [verb] a | 19430 |
|
| 2 | [pron] [verb] a clear | 214 |
|
| 3 | [modal v] [verb] a clear | 116 |
|
| 4 | [pron] [modal v] [verb] clear | 85 |
|
