| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [v-ing] [det] | 32 |
|
| 2 | must have been [v-ing] [det] | 12 |
|
| 3 | should have been [v-ing] [det] | 7 |
|
| 4 | [vb mod] have been [v-ing] that | 7 |
|
| 5 | [vb mod] have been [v-ing] some | 7 |
|
| 6 | [vb mod] have been doing [det] | 6 |
|
| 7 | [vb mod] have been [v-ing] this | 6 |
|
| 8 | [vb mod] have been [v-ing] all | 5 |
|
