| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [noun] is [that] | 1147 |
|
| 2 | [adj] problem is [that] | 239 |
|
| 3 | [det] problem is [conj] | 25 |
|
| 4 | [det] problem [be] [that] | 25 |
|
| 5 | [det] problem be [that] | 25 |
|
| 6 | [det] problem [is] [that] | 23 |
|
