| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] have been [vb pp] [prep] | 643 |
|
| 2 | have been [vb pp] [prep] [v-ing] | 240 |
|
| 3 | [conj] have [vb pp] [prep] [v-ing] | 8 |
|
| 4 | [conj] have been [vb pp] [v-ing] | 5 |
|
