| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh pn] is [v-ing] for a | 6 |
|
| 2 | [noun sg] [Wh pn] is [v-ing] for a | 5 |
|
| 3 | [Wh pn] is [v-ing] for a [noun sg] | 12 |
|
| 4 | [Wh pn] is [v-ing] for a [noun] | 12 |
|
