| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [v-ing] [prep] | 256 |
|
| 2 | have been [v-ing] [adj] [prep] | 211 |
|
| 3 | they have been [adj] [prep] | 178 |
|
| 4 | they have been [v-ing] [adj] | 82 |
|
