| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [art] [adj] | 158 |
|
| 2 | which has been [art] [adj] | 37 |
|
| 3 | which has been [v-ing] [art] | 34 |
|
| 4 | which has been [v-ing] [adj] | 13 |
|
