| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [noun pl] | 689 |
|
| 2 | have not been [v-ing] | 486 |
|
| 3 | have not been [noun pl] | 21 |
|
| 4 | not been [v-ing] [noun pl] | 15 |
|
