| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] have been [v-ing] | 364 |
|
| 2 | [noun] [conj] [n mass] have been | 36 |
|
| 3 | [noun] [n mass] have been [v-ing] | 31 |
|
| 4 | [conj] [n mass] have been [v-ing] | 16 |
|
