| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [verb] be [adj] | 719 |
|
| 2 | it [vb mod] [vb infin] [be] [adj] | 717 |
|
| 3 | it [vb mod] have [be] [adj] | 707 |
|
| 4 | it [vb mod] [verb] [been] [adj] | 707 |
|
| 5 | it [vb mod] [verb] been [adj] | 707 |
|
| 6 | it [vb mod] have [be] [adj] | 695 |
|
| 7 | it would [verb] [be] [adj] | 473 |
|
| 8 | it must [verb] [be] [adj] | 102 |
|
| 9 | it might [verb] [be] [adj] | 50 |
|
| 10 | it [vb mod] [verb] [be] difficult | 48 |
|
| 11 | it [vb mod] [verb] [be] nice | 45 |
|
| 12 | it could [verb] [be] [adj] | 37 |
|
| 13 | it [vb mod] [verb] [be] possible | 37 |
|
| 14 | it [vb mod] [verb] [be] easy | 35 |
|
| 15 | it [vb mod] [verb] [be] impossible | 30 |
|
| 16 | it may [verb] [be] [adj] | 28 |
|
| 17 | it [vb mod] [verb] [be] different | 23 |
|
| 18 | it should [verb] [be] [adj] | 19 |
|
| 19 | it [vb mod] [verb] [be] hard | 17 |
|
| 20 | it [vb mod] [verb] [be] obvious | 14 |
|
| 21 | it [vb mod] [verb] [be] interesting | 13 |
|
| 22 | it [vb mod] 've [be] [adj] | 10 |
|
| 23 | it [vb mod] [verb] [be] necessary | 10 |
|
| 24 | it [vb mod] [verb] [be] surprising | 9 |
|
| 25 | it [vb mod] [verb] [be] terrible | 9 |
|
| 26 | it [vb mod] [verb] [be] good | 8 |
|
| 27 | it [vb mod] [verb] [be] awful | 8 |
|
| 28 | it [vb mod] [verb] [be] unthinkable | 8 |
|
| 29 | it [vb mod] [verb] [be] helpful | 6 |
|
| 30 | it [vb mod] [verb] [be] sensible | 6 |
|
