| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [noun] | 11950 |
|
| 2 | be several [noun] | 1097 |
|
| 3 | [vb pp] several [noun] | 763 |
|
| 4 | be [vb pp] several | 223 |
|
