| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] [been] [v-ing] [adv] to | 14 |
|
| 2 | [verb] [adv] [been] [v-ing] [adv] to | 14 |
|
| 3 | [vb past] [adv] [been] [v-ing] [adv] to | 8 |
|
| 4 | had [adv] [been] [v-ing] [adv] to | 7 |
|
| 5 | [adv] [been] [v-ing] [adv] to [verb] | 5 |
|
| 6 | [adv] [been] [v-ing] [adv] to [v-ing] | 5 |
|
