| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [prep] several [noun pl] | 113 |
|
| 2 | has been [vb pp] [prep] several [noun pl] | 55 |
|
| 3 | have been [vb pp] [prep] several [noun pl] | 27 |
|
| 4 | had been [vb pp] [prep] several [noun pl] | 25 |
|
| 5 | have been [vb pp] in several [noun pl] | 25 |
|
| 6 | have been [vb pp] by several [noun pl] | 25 |
|
| 7 | have been [vb pp] on several [noun pl] | 21 |
|
| 8 | have been [vb pp] for several [noun pl] | 17 |
|
| 9 | have been [vb pp] [prep] several occasions | 15 |
|
| 10 | have been [vb pp] to several [noun pl] | 7 |
|
| 11 | have been [vb pp] at several [noun pl] | 7 |
|
| 12 | have been [vb pp] [prep] several times | 6 |
|
| 13 | have been [vb pp] [prep] several years | 5 |
|
| 14 | have been [vb pp] [prep] several studies | 5 |
|
