| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problem [be] that [art] | 182 |
|
| 2 | [num ord] [be] that [art] | 129 |
|
| 3 | [num ord] problem [be] that | 22 |
|
| 4 | [num ord] problem [be] [art] | 15 |
|
