| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] be [art] [noun] problems | 7 |
|
| 2 | [pron] be [art] [noun] [prep] problems | 28 |
|
| 3 | [pron] be [art] [noun] of problems | 28 |
|
| 4 | [pron] be [art] [noun] of problems | 28 |
|
| 5 | [pron] be [art] [noun] [prep] problems | 28 |
|
| 6 | [pron] be [art] [noun] problems [prep] | 6 |
|
| 7 | [pron] be [art] [noun] problems [prep] | 6 |
|
