| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problem is [prep] | 97 |
|
| 2 | problem [is] [prep] | 97 |
|
| 3 | problem [is] with | 26 |
|
| 4 | problem [is] with | 26 |
|
| 5 | problem [is] in | 17 |
|
| 6 | problem [is] in | 17 |
|
| 7 | problem [is] to | 11 |
|
| 8 | problem [is] to | 11 |
|
| 9 | problem [is] of | 8 |
|
| 10 | problem [is] of | 8 |
|
| 11 | problem [is] on | 7 |
|
| 12 | problem [is] on | 7 |
|
| 13 | problem [is] by | 6 |
|
| 14 | problem [is] by | 6 |
|
| 15 | problem [is] for | 6 |
|
| 16 | problem [is] for | 6 |
|
| 17 | problem [is] at | 5 |
|
| 18 | problem [is] at | 5 |
|
