| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [art] [noun sg] | 71 |
|
| 2 | [vb infin] been [v-ing] the [noun sg] | 37 |
|
| 3 | [vb infin] been [v-ing] a [noun sg] | 30 |
|
| 4 | [vb infin] been [v-ing] an [noun sg] | 5 |
|
