| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] have been [det] [noun] | 792 |
|
| 2 | [noun sg] [ex0] have been [det] | 53 |
|
| 3 | [noun sg] [ex0] have been [noun] | 51 |
|
| 4 | [noun sg] have been [det] [noun] | 35 |
|
