| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it [is] [verb] | 688 |
|
| 2 | [Wh adv] it [is] [vb pp] | 510 |
|
| 3 | [Wh adv] it [be] needed | 27 |
|
| 4 | [Wh adv] [pron] [is] needed | 26 |
|
| 5 | [adv] it [is] needed | 25 |
|
| 6 | [Wh adv] it [is] need | 24 |
|
