| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adj] [to-vb] | 5467 |
|
| 2 | it is [adv] [adj] [to-vb] | 4055 |
|
| 3 | it is often [adj] [to-vb] | 212 |
|
| 4 | it be often [adj] [to-vb] | 211 |
|
| 5 | it [be] often [adj] [to-vb] | 211 |
|
| 6 | it [is] often [adj] [to-vb] | 199 |
|
| 7 | [pron] is often [adj] [to-vb] | 192 |
|
| 8 | [pers pn] is often [adj] [to-vb] | 190 |
|
| 9 | it is often [adj] [verb] | 189 |
|
| 10 | it is often [adj] [to-vb] | 187 |
|
| 11 | it is often [adj] [to-vb] | 187 |
|
