| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need [verb] [is] | 190 |
|
| 2 | [verb] know [is] | 179 |
|
| 3 | [vb base] know [is] | 132 |
|
| 4 | need know [is] | 19 |
|
| 5 | need know [be] | 18 |
|
