| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [vb pp] for [adj] | 46 |
|
| 2 | it has been [verb] for [adj] | 37 |
|
| 3 | it have been [verb] for [det] | 35 |
|
| 4 | it have been [verb] for [num] | 20 |
|
| 5 | it have been [v-ing] for [adj] | 18 |
|
| 6 | it have been [verb] for some | 17 |
|
| 7 | it have been [verb] for some | 17 |
|
| 8 | it have been know for [adj] | 14 |
|
| 9 | it have been known for [adj] | 14 |
|
| 10 | it 's been [verb] for [adj] | 13 |
|
| 11 | it had been [verb] for [adj] | 13 |
|
| 12 | it have been [verb] for many | 12 |
|
| 13 | it have been [verb] for many | 12 |
|
| 14 | it have been [verb] for [adj] | 9 |
|
| 15 | it have been used for [adj] | 6 |
|
| 16 | it have been use for [adj] | 6 |
|
