| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have [been] [v-ing] [prep] [art] [noun sg] | 9 |
|
| 2 | to have been [v-ing] [prep] [art] [noun sg] | 9 |
|
| 3 | to have [been] [v-ing] [prep] the [noun sg] | 7 |
|
