| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [det] problems [pron] | 12 |
|
| 2 | the [det] problems [Wh det] | 6 |
|
| 3 | the [det] problems which | 6 |
|
| 4 | the [det] problems [pers pn] | 6 |
|
| 5 | the [det] problems which | 6 |
|
