| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [conj] [verb] | 406 |
|
| 2 | [vb -s] [conj] [modal v] [verb] | 191 |
|
| 3 | it [vb -s] [modal v] [verb] | 80 |
|
| 4 | it [conj] [modal v] [verb] | 76 |
|
| 5 | it [vb -s] [conj] [modal v] | 22 |
|
