| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [is] [verb] a [noun sg] | 94 |
|
| 2 | [is] require [verb] a [noun sg] | 43 |
|
| 3 | [Wh det] [is] require [verb] a | 7 |
|
