| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [noun] | 3300 |
|
| 2 | have [verb] an [noun] | 3123 |
|
| 3 | have been an [noun] | 771 |
|
| 4 | have been [verb] an | 305 |
|
| 5 | been [verb] an [noun] | 169 |
|
