| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] problem be [conj] | 26 |
|
| 2 | [det] problem be that | 25 |
|
| 3 | [det] problem is [conj] | 25 |
|
| 4 | [det] problem be that | 25 |
|
| 5 | [det] problem be [that] | 25 |
|
| 6 | another problem be [conj] | 22 |
|
