| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [been] [prep] several [noun] | 5 |
|
| 2 | [pers pn] [vb -s] [been] [prep] several [noun] | 5 |
|
| 3 | [pron] [vb -s] [been] [prep] several [noun] | 5 |
|
| 4 | it [vb -s] [been] [prep] several [noun] | 5 |
|
| 5 | [vb -s] [been] [verb] [prep] several [noun] | 68 |
|
| 6 | [vb -s] [been] [vb pp] [prep] several [noun] | 62 |
|
| 7 | [vb -s] [been] [adj] [prep] several [noun] | 9 |
|
| 8 | [vb -s] [been] [adj] [prep] several [noun] | 9 |
|
| 9 | [vb -s] [been] [v-ing] [prep] several [noun] | 6 |
|
