| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [v-ing] [prep] | 288 |
|
| 2 | have been [v-ing] out [prep] | 105 |
|
| 3 | [modal v] have been out [prep] | 27 |
|
| 4 | [modal v] have been [v-ing] out | 16 |
|
