| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problems [Wh det] [pers pn] | 45 |
|
| 2 | problems which [pers pn] | 44 |
|
| 3 | problems which [pers pn] | 44 |
|
| 4 | problems [pron] they | 14 |
|
| 5 | problems [pron] we | 11 |
|
| 6 | problems [pron] it | 7 |
|
| 7 | problems [pron] he | 5 |
|
| 8 | problems [pron] i | 5 |
|
