| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] [pron] have been [v-ing] | 625 |
|
| 2 | [vb infin] [that] [pron] have been | 190 |
|
| 3 | [vb infin] [pron] have been [v-ing] | 78 |
|
