| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [art] | 423 |
|
| 2 | been [v-ing] [art] [noun pl] | 211 |
|
| 3 | have been [v-ing] [noun pl] | 200 |
|
| 4 | have been [art] [noun pl] | 129 |
|
