| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to this [noun] | 6794 |
|
| 2 | to this [noun sg] | 6685 |
|
| 3 | [prep] this problem | 463 |
|
| 4 | to [adj] problem | 208 |
|
| 5 | to [det] problem | 199 |
|
| 6 | to this problem | 171 |
|
| 7 | to this problem | 171 |
|
