| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that they [vb mod] have been [v-ing] | 7 |
|
| 2 | that they [vb mod] [verb] been [v-ing] | 7 |
|
| 3 | that they [vb mod] [vb infin] been [v-ing] | 6 |
|
| 4 | that they [vb mod] have been [v-ing] | 6 |
|
