| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [adv] [prep] | 1334 |
|
| 2 | have been [v-ing] [prep] | 1115 |
|
| 3 | have been [v-ing] [adv] | 593 |
|
| 4 | have been [adv] [prep] | 262 |
|
