| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [is] [adj] [prep] [noun] | 5168 |
|
| 2 | [noun sg] [is] [adj] [prep] [noun] | 4150 |
|
| 3 | problem [is] [adj] [prep] [noun] | 40 |
|
| 4 | problem [be] [adj] [prep] [noun] | 37 |
|
| 5 | problem [is] [adj] [prep] [noun] | 34 |
|
