| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [adv prt] [prep] | 9609 |
|
| 2 | it [modal v] [vb infin] [prep] | 4343 |
|
| 3 | it [modal v] [vb infin] [adv prt] | 1233 |
|
| 4 | it [vb infin] [adv prt] [prep] | 109 |
|
