| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb -s] [been] [prep] [adj] [noun] | 161 |
|
| 2 | [noun] [verb] [been] [prep] [adj] importance | 14 |
|
| 3 | [noun] [vb -s] [be] [prep] [adj] importance | 10 |
|
