| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [vb infin] [adv] a | 116 |
|
| 2 | it [modal v] [vb infin] a long | 53 |
|
| 3 | [modal v] [vb infin] [adv] a long | 24 |
|
| 4 | it [modal v] [vb infin] [adv] long | 15 |
|
