| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] to [pos pn] | 59 |
|
| 2 | [modal v] write to [pos pn] | 25 |
|
| 3 | [vb mod] write to [pos pn] | 25 |
|
| 4 | must write to [pron] | 16 |
|
| 5 | must write [prep] [pos pn] | 8 |
|
| 6 | must write to [pos pn] | 7 |
|
