| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] all | 11 |
|
| 2 | it have been [v-ing] all | 10 |
|
| 3 | it have been [prep] all | 6 |
|
| 4 | it have been [prep] all | 6 |
|
| 5 | it have been [adv] all | 5 |
|
| 6 | it have been [adv] all | 5 |
|
| 7 | it have been all [noun] | 5 |
|
