| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [noun sg] | 48 |
|
| 2 | have been [v-ing] to | 46 |
|
| 3 | been [v-ing] [noun sg] to | 41 |
|
| 4 | have been [noun sg] to | 12 |
|
