| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun pl] has been [vb pp] | 256 |
|
| 2 | [prep] [noun pl] has [been] [vb pp] | 256 |
|
| 3 | [prep] [noun pl] has be [vb pp] | 256 |
|
| 4 | of [noun pl] has [be] [vb pp] | 155 |
|
| 5 | for [noun pl] has [be] [vb pp] | 30 |
|
| 6 | in [noun pl] has [be] [vb pp] | 21 |
|
| 7 | to [noun pl] has [be] [vb pp] | 14 |
|
| 8 | on [noun pl] has [be] [vb pp] | 12 |
|
| 9 | [prep] [noun pl] has [be] issued | 10 |
|
| 10 | [prep] [noun pl] has [be] developed | 9 |
|
| 11 | [prep] children has [be] [vb pp] | 8 |
|
| 12 | [prep] papers has [be] [vb pp] | 8 |
|
| 13 | [prep] [noun pl] has [be] launched | 6 |
|
| 14 | [prep] [noun pl] has [be] reported | 6 |
|
| 15 | by [noun pl] has [be] [vb pp] | 6 |
|
| 16 | [prep] [noun pl] has [be] found | 5 |
|
| 17 | [prep] [noun pl] has [be] set | 5 |
|
| 18 | [prep] [noun pl] has [be] established | 5 |
|
