| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the [noun] of | 450140 |
|
| 2 | [prep] the problem [prep] | 1812 |
|
| 3 | [prep] the problem [prep] | 1812 |
|
| 4 | [prep] [art] problem of | 1431 |
|
| 5 | [prep] [art] problem of | 1431 |
|
| 6 | [prep] the problem of | 1394 |
|
| 7 | [prep] the problem of | 1394 |
|
