| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [v-ing] [prep] | 1819 |
|
| 2 | 've be [v-ing] [prep] | 879 |
|
| 3 | 've [adv] be [prep] | 238 |
|
| 4 | 've [adv] be [v-ing] | 203 |
|
