| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been [adj] | 955 |
|
| 2 | it have been [adj] | 954 |
|
| 3 | it [vb -s] been [adj] | 587 |
|
| 4 | it has been [adj] | 396 |
|
| 5 | it [vb past] been [adj] | 344 |
|
| 6 | it had been [adj] | 340 |
|
| 7 | it 's been [adj] | 190 |
|
| 8 | it [verb] been possible | 89 |
|
| 9 | it [verb] been difficult | 48 |
|
| 10 | it [verb] been necessary | 45 |
|
| 11 | it [verb] been good | 26 |
|
| 12 | it [verb] been able | 26 |
|
| 13 | it [verb] been impossible | 24 |
|
| 14 | it have been [adj] | 19 |
|
| 15 | it [vb infin] been [adj] | 19 |
|
| 16 | it [verb] been easy | 19 |
|
| 17 | it [verb] been clear | 18 |
|
| 18 | it [verb] been hard | 18 |
|
| 19 | it [verb] been successful | 15 |
|
| 20 | it [verb] been wonderful | 14 |
|
| 21 | it [verb] been great | 14 |
|
| 22 | it [verb] been lovely | 12 |
|
| 23 | it [verb] been different | 12 |
|
| 24 | it [verb] been nice | 12 |
|
| 25 | it [verb] been unable | 10 |
|
| 26 | it [verb] been common | 10 |
|
| 27 | it [verb] been tough | 9 |
|
| 28 | it [verb] been open | 9 |
|
| 29 | it [verb] been obvious | 8 |
|
| 30 | it [verb] been true | 7 |
|
