| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] for [noun pl] | 99 |
|
| 2 | [vb -s] been [vb pp] for centuries | 18 |
|
| 3 | [vb -s] been known for [noun pl] | 10 |
|
| 4 | 's been [vb pp] for [noun pl] | 9 |
|
| 5 | [vb -s] been made for [noun pl] | 6 |
|
| 6 | [vb -s] been [vb pp] for years | 6 |
|
