| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [verb] a | 23 |
|
| 2 | they have [been] [vb pp] a | 13 |
|
| 3 | they have [been] [v-ing] a | 10 |
|
| 4 | they have [been] given a | 9 |
|
| 5 | they have [been] give a | 9 |
|
