| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been [vb pp] [prep] a | 209 |
|
| 2 | which have been [verb] [prep] a | 198 |
|
| 3 | [Wh det] has been [verb] [prep] a | 93 |
|
| 4 | [Wh det] had been [verb] [prep] a | 91 |
|
| 5 | [Wh det] have been [verb] as a | 67 |
|
| 6 | [Wh det] have been [verb] by a | 38 |
|
| 7 | [Wh det] have been [verb] [prep] a | 34 |
|
| 8 | [Wh det] have been [verb] in a | 27 |
|
| 9 | what have been [verb] [prep] a | 22 |
|
| 10 | [Wh det] have been [verb] to a | 16 |
|
| 11 | [Wh det] have been [verb] for a | 14 |
|
| 12 | [Wh det] have been described [prep] a | 13 |
|
| 13 | [Wh det] have been describe [prep] a | 13 |
|
| 14 | [Wh det] have been [verb] from a | 12 |
|
| 15 | [Wh det] have been [verb] on a | 12 |
|
| 16 | [Wh det] have been [verb] into a | 12 |
|
| 17 | [Wh det] have been [v-ing] [prep] a | 11 |
|
| 18 | [Wh det] have been [verb] with a | 7 |
|
| 19 | [Wh det] have been convert [prep] a | 6 |
|
| 20 | [Wh det] have been use [prep] a | 6 |
|
| 21 | [Wh det] have been used [prep] a | 6 |
|
| 22 | [Wh det] have been converted [prep] a | 6 |
|
