| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] these [noun] | 539 |
|
| 2 | [to-vb] [prep] [adj] problem | 147 |
|
| 3 | [to-vb] [prep] [det] problem | 78 |
|
| 4 | [verb] [prep] these problem | 52 |
|
| 5 | [to-vb] [prep] these problem | 17 |
|
| 6 | [to-vb] [prep] these problem | 17 |
|
