| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [is] [verb] be [det] | 24 |
|
| 2 | [Wh det] [is] [vb pp] be [det] | 17 |
|
| 3 | [Wh det] [is] needed be [adj] | 15 |
|
| 4 | [Wh det] [be] needed be [det] | 12 |
|
| 5 | [Wh det] [is] need be [det] | 9 |
|
| 6 | [pron] [is] needed be [det] | 9 |
|
| 7 | [Wh det] [is] needed [be] [det] | 9 |
|
