| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] been [v-ing] [adj] [prep] | 13 |
|
| 2 | [vb mod] [verb] been [v-ing] [adj] [prep] | 13 |
|
| 3 | [modal v] have been [v-ing] [adj] [prep] | 13 |
|
| 4 | [modal v] have been [v-ing] [adj] [prep] | 12 |
|
| 5 | [modal v] [vb infin] been [v-ing] [adj] [prep] | 12 |
|
| 6 | [modal v] [verb] been [v-ing] [det] [prep] | 7 |
|
| 7 | must [verb] been [v-ing] [adj] [prep] | 6 |
|
| 8 | must [verb] been [v-ing] [adj] [prep] | 6 |
|
