| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [is] [adj] for [v-ing] | 53 |
|
| 2 | [is] [adj] for [v-ing] [pron] | 39 |
|
| 3 | [Wh pn] [is] [adj] for [pron] | 29 |
|
