| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a problem for | 94 |
|
| 2 | is [art] problem for | 40 |
|
| 3 | be [art] problem for | 35 |
|
| 4 | been [art] problem for | 15 |
|
| 5 | be no problem for | 15 |
|
| 6 | was [art] problem for | 12 |
|
| 7 | 's [art] problem for | 8 |
|
