| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [conj] [det] [noun] [vb base] | 147 |
|
| 2 | problem [be] [conj] [det] [noun] | 44 |
|
| 3 | problem [conj] [det] [noun] [vb base] | 12 |
|
| 4 | problem [be] [conj] [noun] [vb base] | 7 |
|
