| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that it have been [adj] | 62 |
|
| 2 | that it [verb] been [adj] | 59 |
|
| 3 | that it [vb -s] been [adj] | 32 |
|
| 4 | that it [vb past] been [adj] | 30 |
|
| 5 | that it had been [adj] | 30 |
|
| 6 | that it has been [adj] | 29 |
|
| 7 | that it [verb] been difficult | 6 |
|
| 8 | that it [verb] been difficult | 6 |
|
| 9 | that it [verb] been possible | 5 |
|
| 10 | that it [verb] been possible | 5 |
|
| 11 | that it [verb] been necessary | 5 |
|
| 12 | that it [verb] been necessary | 5 |
|
