| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [unc] problem is [that] | 13 |
|
| 2 | [noun sg] [unc] problem is [that] | 6 |
|
| 3 | [noun prp] [unc] problem is [that] | 6 |
|
| 4 | [unc] problem is [that] [pron] | 8 |
|
| 5 | [unc] problem is [that] [pers pn] | 5 |
|
