| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [det] problems [pers pn] | 9 |
|
| 2 | are [det] problems [pron] | 8 |
|
| 3 | be any problems [pron] | 8 |
|
| 4 | be [det] problems which | 5 |
|
| 5 | be [det] problems which | 5 |
|
| 6 | be some problems [pron] | 5 |
|
| 7 | be [det] problems [Wh det] | 5 |
|
