| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [noun] have been [vb pp] | 6896 |
|
| 2 | [noun] [noun sg] have been [vb pp] | 5010 |
|
| 3 | [noun] [noun] has been [vb pp] | 4456 |
|
| 4 | [noun] [noun pl] have been [vb pp] | 3108 |
|
| 5 | [noun] [noun] had been [vb pp] | 2741 |
|
| 6 | [noun] [noun] have been [vb pp] | 2684 |
|
| 7 | [noun prp] [noun] have been [vb pp] | 2518 |
|
| 8 | [noun] [noun prp] have been [vb pp] | 1739 |
|
| 9 | [noun pl] [noun] have been [vb pp] | 385 |
|
| 10 | [noun] [noun] have been made | 257 |
|
| 11 | [noun] [noun] have been given | 182 |
|
| 12 | [noun] [noun] have been appointed | 181 |
|
| 13 | [noun] [noun] have been used | 164 |
|
| 14 | [noun] [noun] have been found | 160 |
|
| 15 | [n mass] [noun] have been [vb pp] | 159 |
|
| 16 | [noun] [noun] have been set | 152 |
|
| 17 | [noun] [n mass] have been [vb pp] | 131 |
|
| 18 | [noun] [noun] have been developed | 126 |
|
| 19 | [noun] system have been [vb pp] | 118 |
|
| 20 | mr [noun] have been [vb pp] | 112 |
|
| 21 | mr [noun] have been [vb pp] | 112 |
|
| 22 | [noun] [noun] have been established | 108 |
|
| 23 | [noun] [noun] have been told | 100 |
|
| 24 | [noun] [noun] have been taken | 98 |
|
| 25 | [noun] [noun] have been introduced | 92 |
|
| 26 | [noun] [noun] have been put | 91 |
|
| 27 | [noun] [noun] have been reported | 88 |
|
| 28 | [noun] system have been [vb pp] | 88 |
|
| 29 | [noun] [noun] have been described | 84 |
|
| 30 | [noun] [noun] have been shown | 83 |
|
