| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [pron] [verb] a | 1891 |
|
| 2 | [pron] [verb] a problem | 293 |
|
| 3 | do [verb] a problem | 33 |
|
| 4 | do [pron] [verb] problem | 8 |
|
