| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been | 45397 |
|
| 2 | have been [v-ing] | 19902 |
|
| 3 | [pers pn] been [v-ing] | 536 |
|
| 4 | [pers pn] have [v-ing] | 88 |
|
