| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for several [noun pl] [prep] | 33 |
|
| 2 | [vb pp] for several [noun] [prep] | 33 |
|
| 3 | [vb pp] for several year [prep] | 12 |
|
| 4 | [vb pp] for several years [prep] | 12 |
|
| 5 | [vb pp] for several [noun] in | 9 |
|
| 6 | [vb pp] for several month [prep] | 7 |
|
| 7 | [vb pp] for several months [prep] | 7 |
|
| 8 | [vb pp] for several [noun] after | 5 |
|
| 9 | [vb pp] for several [noun] at | 5 |
|
