| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [to-vb] [adv] to | 258 |
|
| 2 | [modal v] need [to-vb] [adv] [prep] | 58 |
|
| 3 | [modal v] need [verb] [adv] to | 13 |
|
