| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] [prep] [noun] | 10639 |
|
| 2 | problem [is] [adj] [prep] | 100 |
|
| 3 | problem [is] [adj] [noun] | 56 |
|
| 4 | problem [is] [prep] [noun] | 23 |
|
| 5 | problem [adj] [prep] [noun] | 17 |
|
