| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] have been [v-ing] [prep] | 190 |
|
| 2 | [adj] have been [v-ing] [prep] | 63 |
|
| 3 | [conj] [adj] have been [prep] | 38 |
|
| 4 | [conj] [adj] have been [v-ing] | 37 |
|
