| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] for [noun sg] | 145 |
|
| 2 | have been [vb pp] for [noun pl] | 66 |
|
| 3 | have been [vb pp] for [noun prp] | 24 |
|
| 4 | have been used for [noun] | 22 |
|
| 5 | have been made for [noun] | 11 |
|
| 6 | have been selected for [noun] | 11 |
|
| 7 | have been [vb pp] for year | 10 |
|
| 8 | have been [vb pp] for years | 10 |
|
| 9 | have been developed for [noun] | 9 |
|
| 10 | have been [vb pp] for centuries | 8 |
|
| 11 | have been [vb pp] for century | 8 |
|
| 12 | have been [vb pp] for use | 5 |
|
| 13 | have been accepted for [noun] | 5 |
|
| 14 | have been reported for [noun] | 5 |
|
| 15 | have been designed for [noun] | 5 |
|
| 16 | have been [vb pp] for use | 5 |
|
