| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [adv prt] [prep] several [noun] | 5 |
|
| 2 | [verb] [been] [adv prt] [prep] several [noun] | 5 |
|
| 3 | [been] [verb] [adv prt] [prep] several [noun] | 9 |
|
| 4 | [been] [vb pp] [adv prt] [prep] several [noun] | 7 |
|
