| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for many [noun pl] | 64 |
|
| 2 | been [vb pp] for many year | 54 |
|
| 3 | been [vb pp] for many years | 54 |
|
| 4 | been used for many [noun] | 13 |
|
| 5 | been known for many [noun] | 10 |
|
