| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] [noun pl] | 352 |
|
| 2 | have been [v-ing] [prep] three | 25 |
|
| 3 | been [v-ing] [prep] three [noun pl] | 25 |
|
| 4 | have been [prep] three [noun pl] | 10 |
|
