| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [prep] several | 13 |
|
| 2 | [verb] [been] [prep] several | 13 |
|
| 3 | [vb -s] [been] [prep] several | 8 |
|
| 4 | has [been] [prep] several | 7 |
|
| 5 | [been] [verb] [prep] several | 223 |
|
| 6 | [been] [vb pp] [prep] several | 196 |
|
| 7 | [been] [adj] [prep] several | 33 |
|
| 8 | [been] [adj] [prep] several | 32 |
|
| 9 | [been] [v-ing] [prep] several | 27 |
|
| 10 | [been] [adv] [prep] several | 13 |
|
| 11 | [been] [noun] [prep] several | 11 |
|
| 12 | [been] [adv prt] [prep] several | 7 |
|
| 13 | [been] use [prep] several | 6 |
|
| 14 | [been] [noun sg] [prep] several | 6 |
|
| 15 | [been] used [prep] several | 6 |
|
| 16 | [been] [adv] [prep] several | 6 |
|
| 17 | [been] run [prep] several | 6 |
|
| 18 | [been] involved [prep] several | 6 |
|
| 19 | [been] involved [prep] several | 6 |
|
| 20 | [been] studied [prep] several | 5 |
|
| 21 | [been] study [prep] several | 5 |
|
| 22 | [been] [noun pl] [prep] several | 5 |
|
| 23 | [been] reported [prep] several | 5 |
|
| 24 | [been] found [prep] several | 5 |
|
| 25 | [been] make [prep] several | 5 |
|
| 26 | [been] running [prep] several | 5 |
|
| 27 | [been] find [prep] several | 5 |
|
| 28 | [been] report [prep] several | 5 |
|
| 29 | [been] made [prep] several | 5 |
|
| 30 | [been] shown [prep] several | 5 |
|
