| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need [to-vb] [adv] | 969 |
|
| 2 | [to-vb] [adv] [is] | 489 |
|
| 3 | need [to-vb] [is] | 190 |
|
| 4 | need [adv] [is] | 30 |
|
