| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [be] [conj] it [be] | 865 |
|
| 2 | [noun sg] [be] [conj] it [be] | 738 |
|
| 3 | problem [be] [conj] [pron] [be] | 98 |
|
| 4 | problem [be] [conj] it [be] | 24 |
|
