| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] | 1115 |
|
| 2 | [noun prp] have been [v-ing] | 214 |
|
| 3 | [noun prp] have been [prep] | 62 |
|
| 4 | [noun prp] been [v-ing] [prep] | 8 |
|
