| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] who have been [v-ing] | 162 |
|
| 2 | who have been [v-ing] in | 68 |
|
| 3 | [noun pl] have been [v-ing] in | 59 |
|
| 4 | [noun pl] who have been in | 37 |
|
