| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] [adj] [to-vb] | 6847 |
|
| 2 | it be [adj] [to-vb] whether | 195 |
|
| 3 | be [adv] [adj] [to-vb] whether | 107 |
|
| 4 | it be [adv] [adj] whether | 63 |
|
