| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [adv] [to-vb] an | 21 |
|
| 2 | [noun sg] is [adv] [to-vb] an | 17 |
|
| 3 | [pron] is [adv] [to-vb] an | 7 |
|
| 4 | [pers pn] is [adv] [to-vb] an | 5 |
|
| 5 | it is [adv] [to-vb] an | 5 |
|
| 6 | it is [adv] [to-vb] an | 5 |
|
| 7 | is [adj] [adv] [to-vb] an | 9 |
|
| 8 | is [verb] [adv] [to-vb] an | 9 |
|
| 9 | is [adj] [adv] [to-vb] an | 8 |
|
| 10 | is [vb pp] [adv] [to-vb] an | 7 |
|
| 11 | is [adv] [adv] [to-vb] an | 6 |
|
| 12 | is [adv] [adj] [to-vb] an | 98 |
|
| 13 | is [adv] [adj] [to-vb] an | 89 |
|
| 14 | is [adv] [verb] [to-vb] an | 36 |
|
| 15 | is [adv] [vb pp] [to-vb] an | 31 |
|
| 16 | is [adv] possible [to-vb] an | 18 |
|
| 17 | is [adv] possible [to-vb] an | 18 |
|
| 18 | is [adv] difficult [to-vb] an | 14 |
|
| 19 | is [adv] difficult [to-vb] an | 14 |
|
| 20 | is [adv] likely [to-vb] an | 11 |
|
| 21 | is [adv] likely [to-vb] an | 11 |
|
| 22 | is [adv] easy [to-vb] an | 8 |
|
| 23 | is [adv] [adv] [to-vb] an | 6 |
|
| 24 | is [adv] good [to-vb] an | 6 |
|
| 25 | is [adv] [adj -er] [to-vb] an | 6 |
|
| 26 | is [adv] easy [to-vb] an | 6 |
|
| 27 | is [adv] necessary [to-vb] an | 5 |
|
| 28 | is [adv] [v-ing] [to-vb] an | 5 |
|
| 29 | is [adv] necessary [to-vb] an | 5 |
|
| 30 | is [adv] [to-vb] [prep] an | 7 |
|
