| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [modal v] to be | 27 |
|
| 2 | it [adv] [modal v] to be | 27 |
|
| 3 | it [adv] [vb mod] to be | 27 |
|
| 4 | it [adv] used to be | 21 |
|
| 5 | it [adv] used to be | 21 |
|
| 6 | it [adv] ought to be | 6 |
|
| 7 | it [adv] ought to be | 6 |
|
| 8 | it never [modal v] to be | 5 |
|
| 9 | it always [modal v] to be | 5 |
|
