| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] problems [vb mod] [be] | 75 |
|
| 2 | [adj] [that] [vb mod] [be] | 58 |
|
| 3 | [adj] problems [that] [vb mod] | 38 |
|
| 4 | problems [that] [vb mod] [be] | 27 |
|
