| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this has been [verb] [prep] | 343 |
|
| 2 | this has be [verb] [prep] | 343 |
|
| 3 | this has be [vb pp] [prep] | 337 |
|
| 4 | this has be [verb] by | 134 |
|
| 5 | this has be [verb] in | 83 |
|
| 6 | this has be do [prep] | 28 |
|
| 7 | this has be done [prep] | 28 |
|
| 8 | this has be [verb] to | 26 |
|
| 9 | this has be [verb] as | 22 |
|
| 10 | this has be achieved [prep] | 21 |
|
| 11 | this has be achieve [prep] | 21 |
|
| 12 | this has be [verb] with | 19 |
|
| 13 | this has be [verb] for | 18 |
|
| 14 | this has be [verb] on | 12 |
|
| 15 | this has be confirmed [prep] | 11 |
|
| 16 | this has be confirm [prep] | 11 |
|
| 17 | this has be discussed [prep] | 10 |
|
| 18 | this has be discuss [prep] | 10 |
|
| 19 | this has be seen [prep] | 7 |
|
| 20 | this has be see [prep] | 7 |
|
| 21 | this has be described [prep] | 7 |
|
| 22 | this has be describe [prep] | 7 |
|
| 23 | this has be [verb] into | 6 |
|
| 24 | this has be shown [prep] | 6 |
|
| 25 | this has be [v-ing] [prep] | 6 |
|
| 26 | this has be show [prep] | 6 |
|
| 27 | this has be take [prep] | 5 |
|
| 28 | this has be demonstrate [prep] | 5 |
|
| 29 | this has be reflected [prep] | 5 |
|
| 30 | this has be used [prep] | 5 |
|
