| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [was/were] [adv] [adv] [to-vb] | 17 |
|
| 2 | [coord] it [was/were] not [adv] [to-vb] | 11 |
|
| 3 | [coord] it [was/were] [adj] [adv] [to-vb] | 11 |
|
| 4 | [coord] it [was/were] [adj] [adv] [to-vb] | 11 |
|
| 5 | [coord] it [was/were] [not/n't] [adv] [to-vb] | 11 |
|
| 6 | [coord] it [was/were] not [adv] [to-vb] | 7 |
|
| 7 | [coord] it [was/were] [adv] [adv] [to-vb] | 6 |
|
| 8 | [coord] it [was/were] [adv] [adj] [to-vb] | 136 |
|
| 9 | [coord] it [was/were] [adv] [adj] [to-vb] | 128 |
|
| 10 | [coord] it [was/were] [adv] difficult [to-vb] | 22 |
|
| 11 | [coord] it [was/were] [adv] difficult [to-vb] | 22 |
|
| 12 | [coord] it [was/were] [adv] [verb] [to-vb] | 19 |
|
| 13 | [coord] it [was/were] [adv] late [to-vb] | 13 |
|
| 14 | [coord] it [was/were] [adv] late [to-vb] | 13 |
|
| 15 | [coord] it [was/were] [adv] [v-ing] [to-vb] | 11 |
|
| 16 | [coord] it [was/were] [adv] easy [to-vb] | 10 |
|
| 17 | [coord] it [was/were] [adv] hard [to-vb] | 9 |
|
| 18 | [coord] it [was/were] [adv] hard [to-vb] | 8 |
|
| 19 | [coord] it [was/were] [adv] necessary [to-vb] | 8 |
|
| 20 | [coord] it [was/were] [adv] [vb pp] [to-vb] | 8 |
|
| 21 | [coord] it [was/were] [adv] impossible [to-vb] | 8 |
|
| 22 | [coord] it [was/were] [adv] necessary [to-vb] | 8 |
|
| 23 | [coord] it [was/were] [adv] impossible [to-vb] | 8 |
|
| 24 | [coord] it [was/were] [adv] possible [to-vb] | 6 |
|
| 25 | [coord] it [was/were] [adv] easy [to-vb] | 6 |
|
| 26 | [coord] it [was/were] [adv] [adv] [to-vb] | 6 |
|
| 27 | [coord] it [was/were] [adv] [adv] [to-vb] | 6 |
|
| 28 | [coord] it [was/were] [adv] possible [to-vb] | 6 |
|
| 29 | [coord] it [was/were] [adv] beginning [to-vb] | 5 |
|
| 30 | [coord] it [was/were] [adv] begin [to-vb] | 5 |
|
