| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] need [prep] | 1477 |
|
| 2 | need to know [prep] | 202 |
|
| 3 | [adv] need to know | 140 |
|
| 4 | [adv] to know [prep] | 24 |
|
