| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] [prep] [num] | 85 |
|
| 2 | it have been [vb pp] [prep] [num] | 69 |
|
| 3 | it had been [verb] [prep] [num] | 37 |
|
| 4 | it has been [verb] [prep] [num] | 33 |
|
| 5 | it have been [verb] for [num] | 20 |
|
| 6 | it have been [verb] for [num] | 20 |
|
| 7 | it have been [verb] in [num] | 20 |
|
| 8 | it have been [verb] in [num] | 20 |
|
| 9 | it have been [v-ing] [prep] [num] | 16 |
|
| 10 | it have been [verb] by [num] | 16 |
|
| 11 | it have been [verb] by [num] | 16 |
|
| 12 | it have been [verb] [prep] two | 14 |
|
| 13 | it 's been [verb] [prep] [num] | 14 |
|
| 14 | it have been [verb] [prep] one | 9 |
|
| 15 | it have been [verb] [prep] three | 7 |
|
| 16 | it have been [verb] at [num] | 6 |
|
| 17 | it have been [verb] at [num] | 6 |
|
| 18 | it have been [verb] since [num] | 5 |
|
| 19 | it have been [verb] since [num] | 5 |
|
