| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [art] [noun sg] | 1304 |
|
| 2 | to have been [art] [noun sg] | 382 |
|
| 3 | to have been [v-ing] [art] | 28 |
|
| 4 | to have been [v-ing] [noun sg] | 9 |
|
