| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] when the | 285 |
|
| 2 | a [noun] when the | 285 |
|
| 3 | a problem [conj] the | 43 |
|
| 4 | [art] problem when the | 9 |
|
| 5 | a problem when [art] | 9 |
|
| 6 | a problem when [art] | 9 |
|
| 7 | a problem when the | 8 |
|
| 8 | a problem when the | 8 |
|
