| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [v-ing] | 7097 |
|
| 2 | 've be [v-ing] | 3051 |
|
| 3 | 've [adv] be | 1445 |
|
| 4 | 've [adv] [v-ing] | 5 |
|
