| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] [adv] been a problem | 13 |
|
| 2 | [noun pl] [verb] [adv] been a problem | 6 |
|
| 3 | [noun sg] [verb] [adv] been a problem | 6 |
|
| 4 | [pron] [verb] [adv] been a problem | 5 |
|
| 5 | [verb] [adv] been a problem [prep] | 9 |
|
| 6 | [verb] [adv] been a problem [prep] | 9 |
|
| 7 | [verb] [adv] been a problem for | 6 |
|
| 8 | [verb] [adv] been a problem for | 6 |
|
