| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [pers pn] [modal v] [vb infin] | 146 |
|
| 2 | [pron] [vb -s] [pers pn] must [vb infin] | 47 |
|
| 3 | it [verb] [pers pn] must [vb infin] | 12 |
|
| 4 | it [vb -s] [pron] must [vb infin] | 8 |
|
| 5 | it [vb -s] [pers pn] must [verb] | 7 |
|
