| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] | 22779 |
|
| 2 | have been [v-ing] | 19902 |
|
| 3 | been [v-ing] [adv] | 3532 |
|
| 4 | have [v-ing] [adv] | 21 |
|
