| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [was/were] [to-vb] [adj] | 24 |
|
| 2 | [subord] it [was/were] [to-vb] [adj] | 16 |
|
| 3 | [adj] it [was/were] [to-vb] [adj] | 13 |
|
| 4 | if it [was/were] [to-vb] [adj] | 11 |
|
| 5 | if it [was/were] [to-vb] [adj] | 11 |
|
| 6 | [noun] it [was/were] [to-vb] [adj] | 10 |
|
| 7 | [adj] it [was/were] [to-vb] [adj] | 10 |
|
| 8 | [noun sg] it [was/were] [to-vb] [adj] | 8 |
|
| 9 | [verb] it [was/were] [to-vb] [adj] | 7 |
|
| 10 | [coord] it [was/were] [to-vb] [adj] | 5 |
|
| 11 | and it [was/were] [to-vb] [adj] | 5 |
|
| 12 | and it [was/were] [to-vb] [adj] | 5 |
|
| 13 | it [was/were] [adj] [to-vb] [adj] | 436 |
|
| 14 | it [was/were] [adj] [to-vb] [adj] | 406 |
|
| 15 | it [was/were] [verb] [to-vb] [adj] | 160 |
|
| 16 | it [was/were] [vb pp] [to-vb] [adj] | 131 |
|
| 17 | it [was/were] possible [to-vb] [adj] | 66 |
|
| 18 | it [was/were] possible [to-vb] [adj] | 66 |
|
| 19 | it [was/were] necessary [to-vb] [adj] | 45 |
|
| 20 | it [was/were] necessary [to-vb] [adj] | 45 |
|
| 21 | it [was/were] decide [to-vb] [adj] | 43 |
|
| 22 | it [was/were] decided [to-vb] [adj] | 43 |
|
| 23 | it [was/were] difficult [to-vb] [adj] | 36 |
|
| 24 | it [was/were] difficult [to-vb] [adj] | 36 |
|
| 25 | it [was/were] impossible [to-vb] [adj] | 33 |
|
| 26 | it [was/were] impossible [to-vb] [adj] | 33 |
|
| 27 | it [was/were] [noun] [to-vb] [adj] | 27 |
|
| 28 | it [was/were] [v-ing] [to-vb] [adj] | 27 |
|
| 29 | it [was/were] [noun sg] [to-vb] [adj] | 25 |
|
| 30 | it [was/were] [adj -er] [to-vb] [adj] | 25 |
|
